16697012812 has 24 divisors (see below), whose sum is σ = 30762930240. Its totient is φ = 7907754960.

The previous prime is 16697012809. The next prime is 16697012821. The reversal of 16697012812 is 21821079661.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532803 + ... + 563269.

It is an arithmetic number, because the mean of its divisors is an integer number (1281788760).

Almost surely, 2^16697012812 is an apocalyptic number.

It is an amenable number.

16697012812 is a deficient number, since it is larger than the sum of its proper divisors (14065917428).

16697012812 is a wasteful number, since it uses less digits than its factorization.

16697012812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37701 (or 37699 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 16697012812 in words is "sixteen billion, six hundred ninety-seven million, twelve thousand, eight hundred twelve".