215160564 has 12 divisors (see below), whose sum is σ = 502041344. Its totient is φ = 71720184.

The previous prime is 215160527. The next prime is 215160593. The reversal of 215160564 is 465061512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8965012 + ... + 8965035.

Almost surely, 2^215160564 is an apocalyptic number.

It is an amenable number.

215160564 is an abundant number, since it is smaller than the sum of its proper divisors (286880780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215160564 is a wasteful number, since it uses less digits than its factorization.

215160564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17930054 (or 17930052 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 215160564 is about 14668.3524637227. The cubic root of 215160564 is about 599.2217353879.

The spelling of 215160564 in words is "two hundred fifteen million, one hundred sixty thousand, five hundred sixty-four".