1666668 is an integer. It is an even number, divisible by 2, 4, 6, and 8, among other factors. Its prime factorization is 2^3 * 3 * 23 * 3027. The number is greater than 1.6 million and less than 1.7 million.
In base-10 representation, the digits are 1, 6, 6, 6, 6, 6, 8. The sum of its