165052365 has 16 divisors (see below), whose sum is σ = 264940416. Its totient is φ = 87742400.

The previous prime is 165052357. The next prime is 165052399. The reversal of 165052365 is 563250561.

It is not a de Polignac number, because 165052365 - 2³ = 165052357 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13026 + ... + 22355.

It is an arithmetic number, because the mean of its divisors is an integer number (16558776).

Almost surely, 2^165052365 is an apocalyptic number.

165052365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165052365 is a deficient number, since it is larger than the sum of its proper divisors (99888051).

165052365 is a wasteful number, since it uses less digits than its factorization.

165052365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35700.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 165052365 is about 12847.2707218304. The cubic root of 165052365 is about 548.5386717113.

The spelling of 165052365 in words is "one hundred sixty-five million, fifty-two thousand, three hundred sixty-five".