165572922 has 16 divisors (see below), whose sum is σ = 341828352. Its totient is φ = 53410560.

The previous prime is 165572921. The next prime is 165572933. The reversal of 165572922 is 229275561.

It is not an unprimeable number, because it can be changed into a prime (165572921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444903 + ... + 445274.

It is an arithmetic number, because the mean of its divisors is an integer number (21364272).

Almost surely, 2^165572922 is an apocalyptic number.

165572922 is an abundant number, since it is smaller than the sum of its proper divisors (176255430).

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

165572922 is a wasteful number, since it uses less digits than its factorization.

165572922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890213.

The product of its digits is 75600, while the sum is 39.

The square root of 165572922 is about 12867.5142121546. The cubic root of 165572922 is about 549.1147433862.

The spelling of 165572922 in words is "one hundred sixty-five million, five hundred seventy-two thousand, nine hundred twenty-two".