171168

171168 is a natural number. Its prime factorization is 171168 = 2^5 times 3 times 1783, where 1783 is a prime number, showing that the number is composite and not a prime power.

The number of positive divisors of 171168 is (5+1)(1+1)(1+1) = 24. The sum of its positive divisors, σ(171168), equals 449,568, and Euler's totient function φ(171168) equals 57,024. The greatest power of 2 dividing 171168 is 2^5, so the number is divisible by 32 but not by 64. It is divisible by 3 as well, as indicated by the digit sum 24; modulo 9, 171168 is congruent to 6.

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