215992160 has 48 divisors (see below), whose sum is σ = 511207200. Its totient is φ = 86240256.

The previous prime is 215992099. The next prime is 215992177. The reversal of 215992160 is 61299512.

It is a super-2 number, since 2×215992160² = 93305226362931200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215992160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133436 + ... + 135044.

It is an arithmetic number, because the mean of its divisors is an integer number (10650150).

Almost surely, 2^215992160 is an apocalyptic number.

215992160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215992160 is an abundant number, since it is smaller than the sum of its proper divisors (295215040).

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

215992160 is a wasteful number, since it uses less digits than its factorization.

215992160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 215992160 is about 14696.6717320623. The cubic root of 215992160 is about 599.9927406529.

The spelling of 215992160 in words is "two hundred fifteen million, nine hundred ninety-two thousand, one hundred sixty".