22157034165 has 32 divisors (see below), whose sum is σ = 45017468160. Its totient is φ = 10128929472.

The previous prime is 22157034131. The next prime is 22157034191. The reversal of 22157034165 is 56143075122.

22157034165 is a `hidden beast` number, since 2 + 21 + 570 + 3 + 4 + 1 + 65 = 666.

It is not a de Polignac number, because 22157034165 - 2⁶ = 22157034101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11722354 + ... + 11724243.

It is an arithmetic number, because the mean of its divisors is an integer number (1406795880).

Almost surely, 2^22157034165 is an apocalyptic number.

It is an amenable number.

22157034165 is an abundant number, since it is smaller than the sum of its proper divisors (22860433995).

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

22157034165 is a wasteful number, since it uses less digits than its factorization.

22157034165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446618 (or 23446612 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 22157034165 in words is "twenty-two billion, one hundred fifty-seven million, thirty-four thousand, one hundred sixty-five".