165363365 has 32 divisors (see below), whose sum is σ = 217900800. Its totient is φ = 119992320.

The previous prime is 165363287. The next prime is 165363377. The reversal of 165363365 is 563363561.

It is not a de Polignac number, because 165363365 - 2¹² = 165359269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531560 + ... + 531870.

It is an arithmetic number, because the mean of its divisors is an integer number (6809400).

Almost surely, 2^165363365 is an apocalyptic number.

It is an amenable number.

165363365 is a deficient number, since it is larger than the sum of its proper divisors (52537435).

165363365 is a wasteful number, since it uses less digits than its factorization.

165363365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its digits is 145800, while the sum is 38.

The square root of 165363365 is about 12859.3687636680. The cubic root of 165363365 is about 548.8829836326.

The spelling of 165363365 in words is "one hundred sixty-five million, three hundred sixty-three thousand, three hundred sixty-five".