164257975 has 12 divisors (see below), whose sum is σ = 232777264. Its totient is φ = 112633920.

The previous prime is 164257967. The next prime is 164257987. The reversal of 164257975 is 579752461.

164257975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164257975 - 2³ = 164257967 is a prime.

It is a super-2 number, since 2×164257975² = 53961364702201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469134 + ... + 469483.

Almost surely, 2^164257975 is an apocalyptic number.

164257975 is a deficient number, since it is larger than the sum of its proper divisors (68519289).

164257975 is an equidigital number, since it uses as much as digits as its factorization.

164257975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938634 (or 938629 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 164257975 is about 12816.3167485826. The cubic root of 164257975 is about 547.6572249886.

The spelling of 164257975 in words is "one hundred sixty-four million, two hundred fifty-seven thousand, nine hundred seventy-five".