165232564 has 12 divisors (see below), whose sum is σ = 330465184. Its totient is φ = 70813944.

The previous prime is 165232559. The next prime is 165232567. The reversal of 165232564 is 465232561.

165232564 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165232567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950554 + ... + 2950609.

Almost surely, 2^165232564 is an apocalyptic number.

165232564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165232564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165232564 is a wasteful number, since it uses less digits than its factorization.

165232564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901174 (or 5901172 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 165232564 is about 12854.2819324924. The cubic root of 165232564 is about 548.7382248845.

The spelling of 165232564 in words is "one hundred sixty-five million, two hundred thirty-two thousand, five hundred sixty-four".