216032161930 has 32 divisors (see below), whose sum is σ = 423087278544. Its totient is φ = 78943389696.

The previous prime is 216032161909. The next prime is 216032161979. The reversal of 216032161930 is 39161230612.

It can be written as a sum of positive squares in 8 ways, for example, as 108016738281 + 108015423649 = 328659^2 + 328657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8553297 + ... + 8578516.

Almost surely, 2^216032161930 is an apocalyptic number.

216032161930 is a deficient number, since it is larger than the sum of its proper divisors (207055116614).

216032161930 is a wasteful number, since it uses less digits than its factorization.

216032161930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17131930.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 216032161930 in words is "two hundred sixteen billion, thirty-two million, one hundred sixty-one thousand, nine hundred thirty".