165240364 has 12 divisors (see below), whose sum is σ = 290201688. Its totient is φ = 82325600.

The previous prime is 165240319. The next prime is 165240377. The reversal of 165240364 is 463042561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72382 + ... + 74629.

It is an arithmetic number, because the mean of its divisors is an integer number (24183474).

Almost surely, 2^165240364 is an apocalyptic number.

It is an amenable number.

165240364 is a deficient number, since it is larger than the sum of its proper divisors (124961324).

165240364 is a wasteful number, since it uses less digits than its factorization.

165240364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147296 (or 147294 counting only the distinct ones).

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

The square root of 165240364 is about 12854.5853297568. The cubic root of 165240364 is about 548.7468593625.

The spelling of 165240364 in words is "one hundred sixty-five million, two hundred forty thousand, three hundred sixty-four".