165233156 has 12 divisors (see below), whose sum is σ = 315445200. Its totient is φ = 75105960.

The previous prime is 165233143. The next prime is 165233179. The reversal of 165233156 is 651332561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877606 + ... + 1877693.

It is an arithmetic number, because the mean of its divisors is an integer number (26287100).

Almost surely, 2^165233156 is an apocalyptic number.

It is an amenable number.

165233156 is a deficient number, since it is larger than the sum of its proper divisors (150212044).

165233156 is a wasteful number, since it uses less digits than its factorization.

165233156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755314 (or 3755312 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 165233156 is about 12854.3049598179. The cubic root of 165233156 is about 548.7388802288.

The spelling of 165233156 in words is "one hundred sixty-five million, two hundred thirty-three thousand, one hundred fifty-six".