16812376688 has 20 divisors (see below), whose sum is σ = 33368468448. Its totient is φ = 8201159040.

The previous prime is 16812376681. The next prime is 16812376709. The reversal of 16812376688 is 88667321861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812376681) 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, 12813656 + ... + 12814967.

Almost surely, 2^16812376688 is an apocalyptic number.

It is an amenable number.

16812376688 is a deficient number, since it is larger than the sum of its proper divisors (16556091760).

16812376688 is a wasteful number, since it uses less digits than its factorization.

16812376688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25628672 (or 25628666 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The spelling of 16812376688 in words is "sixteen billion, eight hundred twelve million, three hundred seventy-six thousand, six hundred eighty-eight".