165413344 has 24 divisors (see below), whose sum is σ = 331180920. Its totient is φ = 81303936.

The previous prime is 165413323. The next prime is 165413357. The reversal of 165413344 is 443314561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41919 + ... + 45694.

It is an arithmetic number, because the mean of its divisors is an integer number (13799205).

Almost surely, 2^165413344 is an apocalyptic number.

It is an amenable number.

165413344 is an abundant number, since it is smaller than the sum of its proper divisors (165767576).

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

165413344 is an equidigital number, since it uses as much as digits as its factorization.

165413344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87682 (or 87674 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 165413344 is about 12861.3119081997. The cubic root of 165413344 is about 548.9382757250.

The spelling of 165413344 in words is "one hundred sixty-five million, four hundred thirteen thousand, three hundred forty-four".