216996952 has 16 divisors (see below), whose sum is σ = 411442200. Its totient is φ = 107279040.

The previous prime is 216996919. The next prime is 216996977. The reversal of 216996952 is 259699612.

216996952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216996896 and 216996905.

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, 151674 + ... + 153097.

Almost surely, 2^216996952 is an apocalyptic number.

It is an amenable number.

216996952 is a deficient number, since it is larger than the sum of its proper divisors (194445248).

216996952 is a wasteful number, since it uses less digits than its factorization.

216996952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304866 (or 304862 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The square root of 216996952 is about 14730.8164064318. The cubic root of 216996952 is about 600.9216871334.

The spelling of 216996952 in words is "two hundred sixteen million, nine hundred ninety-six thousand, nine hundred fifty-two".