12536792668 has 6 divisors (see below), whose sum is σ = 21939387176. Its totient is φ = 6268396332.

The previous prime is 12536792657. The next prime is 12536792693. The reversal of 12536792668 is 86629763521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567099080 + ... + 1567099087.

Almost surely, 2^12536792668 is an apocalyptic number.

It is an amenable number.

12536792668 is a deficient number, since it is larger than the sum of its proper divisors (9402594508).

12536792668 is a wasteful number, since it uses less digits than its factorization.

12536792668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134198171 (or 3134198169 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 12536792668 in words is "twelve billion, five hundred thirty-six million, seven hundred ninety-two thousand, six hundred sixty-eight".