165956922 has 24 divisors (see below), whose sum is σ = 359832564. Its totient is φ = 55279104.

The previous prime is 165956863. The next prime is 165956993. The reversal of 165956922 is 229659561.

It is a happy number.

165956922 is a `hidden beast` number, since 1 + 65 + 9 + 569 + 22 = 666.

165956922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162792081 + 3164841 = 12759^2 + 1779^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 33178 + ... + 37850.

Almost surely, 2^165956922 is an apocalyptic number.

165956922 is an abundant number, since it is smaller than the sum of its proper divisors (193875642).

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

165956922 is a wasteful number, since it uses less digits than its factorization.

165956922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654 (or 6651 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 165956922 is about 12882.4268676364. The cubic root of 165956922 is about 549.5389215637.

The spelling of 165956922 in words is "one hundred sixty-five million, nine hundred fifty-six thousand, nine hundred twenty-two".