12510620164 has 12 divisors (see below), whose sum is σ = 25021240384. Its totient is φ = 5361694344.

The previous prime is 12510620147. The next prime is 12510620197. The reversal of 12510620164 is 46102601521.

12510620164 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 446807863 = 12510620164 / (1 + 2 + 5 + 1 + 0 + 6 + 2 + 0 + 1 + 6 + 4).

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, 223403904 + ... + 223403959.

Almost surely, 2^12510620164 is an apocalyptic number.

12510620164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12510620164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12510620164 is a wasteful number, since it uses less digits than its factorization.

12510620164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446807874 (or 446807872 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 12510620164 in words is "twelve billion, five hundred ten million, six hundred twenty thousand, one hundred sixty-four".