12652520164 has 48 divisors (see below), whose sum is σ = 23708619648. Its totient is φ = 5887236608.

The previous prime is 12652520159. The next prime is 12652520183. The reversal of 12652520164 is 46102525621.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4749897 + ... + 4752559.

It is an arithmetic number, because the mean of its divisors is an integer number (493929576).

Almost surely, 2^12652520164 is an apocalyptic number.

It is an amenable number.

12652520164 is a deficient number, since it is larger than the sum of its proper divisors (11056099484).

12652520164 is a wasteful number, since it uses less digits than its factorization.

12652520164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

It can be divided in two parts, 126525 and 20164, that added together give a square (146689 = 383²).

The spelling of 12652520164 in words is "twelve billion, six hundred fifty-two million, five hundred twenty thousand, one hundred sixty-four".