165331296 has 72 divisors (see below), whose sum is σ = 506338560. Its totient is φ = 50870016.

The previous prime is 165331261. The next prime is 165331321. The reversal of 165331296 is 692133561.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 165331296.

It is a congruent number.

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, 18336 + ... + 25823.

It is an arithmetic number, because the mean of its divisors is an integer number (7032480).

Almost surely, 2^165331296 is an apocalyptic number.

165331296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165331296 is an abundant number, since it is smaller than the sum of its proper divisors (341007264).

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

165331296 is a wasteful number, since it uses less digits than its factorization.

165331296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44188 (or 44177 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 165331296 is about 12858.1217913037. The cubic root of 165331296 is about 548.8474996216.

The spelling of 165331296 in words is "one hundred sixty-five million, three hundred thirty-one thousand, two hundred ninety-six".