164918915 has 32 divisors (see below), whose sum is σ = 236027904. Its totient is φ = 108241920.

The previous prime is 164918891. The next prime is 164918927. The reversal of 164918915 is 519819461.

164918915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164918915 - 2⁸ = 164918659 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, 104462 + ... + 106028.

It is an arithmetic number, because the mean of its divisors is an integer number (7375872).

Almost surely, 2^164918915 is an apocalyptic number.

164918915 is a deficient number, since it is larger than the sum of its proper divisors (71108989).

164918915 is a wasteful number, since it uses less digits than its factorization.

164918915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its digits is 77760, while the sum is 44.

The square root of 164918915 is about 12842.0759614636. The cubic root of 164918915 is about 548.3907949583.

The spelling of 164918915 in words is "one hundred sixty-four million, nine hundred eighteen thousand, nine hundred fifteen".