165364395 has 32 divisors (see below), whose sum is σ = 303218688. Its totient is φ = 75385728.

The previous prime is 165364387. The next prime is 165364427. The reversal of 165364395 is 593463561.

It is not a de Polignac number, because 165364395 - 2³ = 165364387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39702 + ... + 43668.

It is an arithmetic number, because the mean of its divisors is an integer number (9475584).

Almost surely, 2^165364395 is an apocalyptic number.

165364395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165364395 is a deficient number, since it is larger than the sum of its proper divisors (137854293).

165364395 is a wasteful number, since it uses less digits than its factorization.

165364395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its digits is 291600, while the sum is 42.

The square root of 165364395 is about 12859.4088122277. The cubic root of 165364395 is about 548.8841232407.

The spelling of 165364395 in words is "one hundred sixty-five million, three hundred sixty-four thousand, three hundred ninety-five".