216366032 has 10 divisors (see below), whose sum is σ = 419209218. Its totient is φ = 108183008.

The previous prime is 216366011. The next prime is 216366043. The reversal of 216366032 is 230663612.

It can be written as a sum of positive squares in only one way, i.e., 187032976 + 29333056 = 13676^2 + 5416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216365986 and 216366004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761423 + ... + 6761454.

Almost surely, 2^216366032 is an apocalyptic number.

It is an amenable number.

216366032 is a deficient number, since it is larger than the sum of its proper divisors (202843186).

216366032 is a wasteful number, since it uses less digits than its factorization.

216366032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13522885 (or 13522879 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 216366032 is about 14709.3858471386. The cubic root of 216366032 is about 600.3387272556.

The spelling of 216366032 in words is "two hundred sixteen million, three hundred sixty-six thousand, thirty-two".