164715957 has 16 divisors (see below), whose sum is σ = 278884480. Its totient is φ = 94123296.

The previous prime is 164715931. The next prime is 164715961. The reversal of 164715957 is 759517461.

164715957 is a `hidden beast` number, since 16 + 47 + 1 + 595 + 7 = 666.

It is not a de Polignac number, because 164715957 - 2¹⁹ = 164191669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164715977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435568 + ... + 435945.

It is an arithmetic number, because the mean of its divisors is an integer number (17430280).

Almost surely, 2^164715957 is an apocalyptic number.

It is an amenable number.

164715957 is a deficient number, since it is larger than the sum of its proper divisors (114168523).

164715957 is an equidigital number, since it uses as much as digits as its factorization.

164715957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871529 (or 871523 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 164715957 is about 12834.1714574802. The cubic root of 164715957 is about 548.1657429733.

The spelling of 164715957 in words is "one hundred sixty-four million, seven hundred fifteen thousand, nine hundred fifty-seven".