12664490100 has 72 divisors (see below), whose sum is σ = 37158746688. Its totient is φ = 3329625600.

The previous prime is 12664490089. The next prime is 12664490131. The reversal of 12664490100 is 109446621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275989 + ... + 318588.

It is an arithmetic number, because the mean of its divisors is an integer number (516093704).

Almost surely, 2^12664490100 is an apocalyptic number.

12664490100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12664490100 is an abundant number, since it is smaller than the sum of its proper divisors (24494256588).

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

12664490100 is a wasteful number, since it uses less digits than its factorization.

12664490100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594665 (or 594658 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 12664490100 in words is "twelve billion, six hundred sixty-four million, four hundred ninety thousand, one hundred".