165170562215 has 16 divisors (see below), whose sum is σ = 208713784320. Its totient is φ = 125135529120.

The previous prime is 165170562169. The next prime is 165170562247. The reversal of 165170562215 is 512265071561.

It is a de Polignac number, because none of the positive numbers 2^k-165170562215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63119 + ... + 578208.

It is an arithmetic number, because the mean of its divisors is an integer number (13044611520).

Almost surely, 2^165170562215 is an apocalyptic number.

165170562215 is a deficient number, since it is larger than the sum of its proper divisors (43543222105).

165170562215 is a wasteful number, since it uses less digits than its factorization.

165170562215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644062.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 165170562215 in words is "one hundred sixty-five billion, one hundred seventy million, five hundred sixty-two thousand, two hundred fifteen".