165875916 has 48 divisors (see below), whose sum is σ = 402311168. Its totient is φ = 53136000.

The previous prime is 165875887. The next prime is 165875939. The reversal of 165875916 is 619578561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54696 + ... + 57648.

Almost surely, 2^165875916 is an apocalyptic number.

It is an amenable number.

165875916 is an abundant number, since it is smaller than the sum of its proper divisors (236435252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165875916 is a wasteful number, since it uses less digits than its factorization.

165875916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142 (or 3140 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 165875916 is about 12879.2824334277. The cubic root of 165875916 is about 549.4494943511.

The spelling of 165875916 in words is "one hundred sixty-five million, eight hundred seventy-five thousand, nine hundred sixteen".