164895775 has 54 divisors (see below), whose sum is σ = 238771176. Its totient is φ = 112860000.

The previous prime is 164895743. The next prime is 164895821. The reversal of 164895775 is 577598461.

164895775 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 164895775 - 2⁵ = 164895743 is a prime.

It is a super-2 number, since 2×164895775² = 54381233225701250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1091950 + ... + 1092100.

Almost surely, 2^164895775 is an apocalyptic number.

164895775 is a deficient number, since it is larger than the sum of its proper divisors (73875401).

164895775 is a wasteful number, since it uses less digits than its factorization.

164895775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 186 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 52.

The square root of 164895775 is about 12841.1749851795. The cubic root of 164895775 is about 548.3651452695.

The spelling of 164895775 in words is "one hundred sixty-four million, eight hundred ninety-five thousand, seven hundred seventy-five".