216892572 has 36 divisors (see below), whose sum is σ = 548011800. Its totient is φ = 66735552.

The previous prime is 216892567. The next prime is 216892591. The reversal of 216892572 is 275298612.

216892572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51447 + ... + 55502.

It is an arithmetic number, because the mean of its divisors is an integer number (15222550).

Almost surely, 2^216892572 is an apocalyptic number.

It is an amenable number.

216892572 is an abundant number, since it is smaller than the sum of its proper divisors (331119228).

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

216892572 is a wasteful number, since it uses less digits than its factorization.

216892572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106982 (or 106967 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 216892572 is about 14727.2730673401. The cubic root of 216892572 is about 600.8253197805.

The spelling of 216892572 in words is "two hundred sixteen million, eight hundred ninety-two thousand, five hundred seventy-two".