12664136754 has 16 divisors (see below), whose sum is σ = 28142526240. Its totient is φ = 4221378900.

The previous prime is 12664136741. The next prime is 12664136783. The reversal of 12664136754 is 45763146621.

12664136754 is a `hidden beast` number, since 126 + 6 + 413 + 67 + 54 = 666.

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, 117260472 + ... + 117260579.

It is an arithmetic number, because the mean of its divisors is an integer number (1758907890).

Almost surely, 2^12664136754 is an apocalyptic number.

12664136754 is an abundant number, since it is smaller than the sum of its proper divisors (15478389486).

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

12664136754 is a wasteful number, since it uses less digits than its factorization.

12664136754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234521062 (or 234521056 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 12664136754 in words is "twelve billion, six hundred sixty-four million, one hundred thirty-six thousand, seven hundred fifty-four".