216968192 has 44 divisors (see below), whose sum is σ = 495701520. Its totient is φ = 92983296.

The previous prime is 216968179. The next prime is 216968209. The reversal of 216968192 is 291869612.

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, 7967 + ... + 22302.

Almost surely, 2^216968192 is an apocalyptic number.

It is an amenable number.

216968192 is an abundant number, since it is smaller than the sum of its proper divisors (278733328).

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

216968192 is an equidigital number, since it uses as much as digits as its factorization.

216968192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30296 (or 30278 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 216968192 is about 14729.8401892213. The cubic root of 216968192 is about 600.8951379567.

The spelling of 216968192 in words is "two hundred sixteen million, nine hundred sixty-eight thousand, one hundred ninety-two".