16693732156 has 12 divisors (see below), whose sum is σ = 29388966768. Its totient is φ = 8296884512.

The previous prime is 16693732141. The next prime is 16693732157. The reversal of 16693732156 is 65123739661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16693732157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12494641 + ... + 12495976.

It is an arithmetic number, because the mean of its divisors is an integer number (2449080564).

Almost surely, 2^16693732156 is an apocalyptic number.

It is an amenable number.

16693732156 is a deficient number, since it is larger than the sum of its proper divisors (12695234612).

16693732156 is a wasteful number, since it uses less digits than its factorization.

16693732156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990788 (or 24990786 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The spelling of 16693732156 in words is "sixteen billion, six hundred ninety-three million, seven hundred thirty-two thousand, one hundred fifty-six".