165070015 has 24 divisors (see below), whose sum is σ = 218849904. Its totient is φ = 119433600.

The previous prime is 165070007. The next prime is 165070021. The reversal of 165070015 is 510070561.

It is not a de Polignac number, because 165070015 - 2³ = 165070007 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 140380 + ... + 141550.

It is an arithmetic number, because the mean of its divisors is an integer number (9118746).

Almost surely, 2^165070015 is an apocalyptic number.

165070015 is a deficient number, since it is larger than the sum of its proper divisors (53779889).

165070015 is a wasteful number, since it uses less digits than its factorization.

165070015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 165070015 is about 12847.9576197931. The cubic root of 165070015 is about 548.5582238142.

The spelling of 165070015 in words is "one hundred sixty-five million, seventy thousand, fifteen".