165022564 has 24 divisors (see below), whose sum is σ = 330317120. Its totient is φ = 70665696.

The previous prime is 165022523. The next prime is 165022567. The reversal of 165022564 is 465220561.

It is not an unprimeable number, because it can be changed into a prime (165022567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65659 + ... + 68125.

Almost surely, 2^165022564 is an apocalyptic number.

165022564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165022564 is an abundant number, since it is smaller than the sum of its proper divisors (165294556).

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

165022564 is a wasteful number, since it uses less digits than its factorization.

165022564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 165022564 is about 12846.1108511487. The cubic root of 165022564 is about 548.5056559572.

The spelling of 165022564 in words is "one hundred sixty-five million, twenty-two thousand, five hundred sixty-four".