16629732916 has 12 divisors (see below), whose sum is σ = 29217978720. Its totient is φ = 8281739000.

The previous prime is 16629732901. The next prime is 16629732947. The reversal of 16629732916 is 61923792661.

It is a happy number.

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, 8280736 + ... + 8282743.

It is an arithmetic number, because the mean of its divisors is an integer number (2434831560).

Almost surely, 2^16629732916 is an apocalyptic number.

It is an amenable number.

16629732916 is a deficient number, since it is larger than the sum of its proper divisors (12588245804).

16629732916 is a wasteful number, since it uses less digits than its factorization.

16629732916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563734 (or 16563732 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The spelling of 16629732916 in words is "sixteen billion, six hundred twenty-nine million, seven hundred thirty-two thousand, nine hundred sixteen".