165112715 has 16 divisors (see below), whose sum is σ = 200097216. Its totient is φ = 130790400.

The previous prime is 165112709. The next prime is 165112741. The reversal of 165112715 is 517211561.

It is not a de Polignac number, because 165112715 - 2²⁰ = 164064139 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 316655 + ... + 317175.

It is an arithmetic number, because the mean of its divisors is an integer number (12506076).

Almost surely, 2^165112715 is an apocalyptic number.

165112715 is a deficient number, since it is larger than the sum of its proper divisors (34984501).

165112715 is a wasteful number, since it uses less digits than its factorization.

165112715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 2100, while the sum is 29.

The square root of 165112715 is about 12849.6192550597. The cubic root of 165112715 is about 548.6055197384.

The spelling of 165112715 in words is "one hundred sixty-five million, one hundred twelve thousand, seven hundred fifteen".