16640

16640 is a number that falls between 16639 and 16641 in the sequence of natural numbers. It is an even number, as it is divisible by 2 without leaving a remainder. In base 10, it is written as "sixteen thousand six hundred forty". In scientific notation, it is expressed as 1.664 x 10^4.

The number 16640 has several mathematical properties. It is a composite number, meaning it has factors other than 1 and itself. Its prime factorization is 2^4 x 5^2 x 83, indicating it is divisible by 2, 5, and 83. It is also a Harshad number, as it is divisible by the sum of its digits (1+6+6+4+0 = 17).

In the context of the International Telecommunication Union (ITU) country calling codes, 16640 is not assigned to any country. It is part of the range reserved for shared cost services, which are services that are billed to the calling party rather than the called party.

In popular culture, 16640 is not a widely recognized number. It does not have any notable associations or references in literature, music, or other forms of media. However, it may be used in various contexts, such as in the naming of products, services, or locations, due to its numerical properties.