216832672 has 24 divisors (see below), whose sum is σ = 487874016. Its totient is φ = 92928192.

The previous prime is 216832669. The next prime is 216832687. The reversal of 216832672 is 276238612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483778 + ... + 484225.

It is an arithmetic number, because the mean of its divisors is an integer number (20328084).

Almost surely, 2^216832672 is an apocalyptic number.

It is an amenable number.

216832672 is an abundant number, since it is smaller than the sum of its proper divisors (271041344).

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

216832672 is an equidigital number, since it uses as much as digits as its factorization.

216832672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968020 (or 968012 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 216832672 is about 14725.2392849828. The cubic root of 216832672 is about 600.7700039930.

The spelling of 216832672 in words is "two hundred sixteen million, eight hundred thirty-two thousand, six hundred seventy-two".