216982676 has 12 divisors (see below), whose sum is σ = 379824480. Its totient is φ = 108461400.

The previous prime is 216982651. The next prime is 216982681. The reversal of 216982676 is 676289612.

216982676 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216982676.

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, 20195 + ... + 29013.

It is an arithmetic number, because the mean of its divisors is an integer number (31652040).

Almost surely, 2^216982676 is an apocalyptic number.

It is an amenable number.

216982676 is a deficient number, since it is larger than the sum of its proper divisors (162841804).

216982676 is a wasteful number, since it uses less digits than its factorization.

216982676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 14972 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 216982676 is about 14730.3318360450. The cubic root of 216982676 is about 600.9085088437.

The spelling of 216982676 in words is "two hundred sixteen million, nine hundred eighty-two thousand, six hundred seventy-six".