12464645164 has 12 divisors (see below), whose sum is σ = 22961188600. Its totient is φ = 5904305568.

The previous prime is 12464645159. The next prime is 12464645197. The reversal of 12464645164 is 46154646421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12464645164.

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, 82004169 + ... + 82004320.

Almost surely, 2^12464645164 is an apocalyptic number.

It is an amenable number.

12464645164 is a deficient number, since it is larger than the sum of its proper divisors (10496543436).

12464645164 is a wasteful number, since it uses less digits than its factorization.

12464645164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164008512 (or 164008510 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The spelling of 12464645164 in words is "twelve billion, four hundred sixty-four million, six hundred forty-five thousand, one hundred sixty-four".