16863761696 has 24 divisors (see below), whose sum is σ = 34345378620. Its totient is φ = 8141125888.

The previous prime is 16863761689. The next prime is 16863761723. The reversal of 16863761696 is 69616736861.

It can be written as a sum of positive squares in 2 ways, for example, as 15236446096 + 1627315600 = 123436^2 + 40340^2 .

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, 9085151 + ... + 9087006.

Almost surely, 2^16863761696 is an apocalyptic number.

16863761696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16863761696 is an abundant number, since it is smaller than the sum of its proper divisors (17481616924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16863761696 is a wasteful number, since it uses less digits than its factorization.

16863761696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172196 (or 18172188 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The spelling of 16863761696 in words is "sixteen billion, eight hundred sixty-three million, seven hundred sixty-one thousand, six hundred ninety-six".