216502564632 has 48 divisors (see below), whose sum is σ = 565812501240. Its totient is φ = 69029799168.

The previous prime is 216502564627. The next prime is 216502564693. The reversal of 216502564632 is 236465205612.

216502564632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8513713 + ... + 8539104.

Almost surely, 2^216502564632 is an apocalyptic number.

It is an amenable number.

216502564632 is an abundant number, since it is smaller than the sum of its proper divisors (349309936608).

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

216502564632 is a wasteful number, since it uses less digits than its factorization.

216502564632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052872 (or 17052845 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 216502564632 in words is "two hundred sixteen billion, five hundred two million, five hundred sixty-four thousand, six hundred thirty-two".