12664445160560 has 20 divisors (see below), whose sum is σ = 29444834998488. Its totient is φ = 5065778064192.

The previous prime is 12664445160547. The next prime is 12664445160583. The reversal of 12664445160560 is 6506154446621.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12664445160499 and 12664445160508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79152782174 + ... + 79152782333.

Almost surely, 2^{12664445160560} is an apocalyptic number.

12664445160560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12664445160560 is an abundant number, since it is smaller than the sum of its proper divisors (16780389837928).

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

12664445160560 is a wasteful number, since it uses less digits than its factorization.

12664445160560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158305564520 (or 158305564514 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 12664445160560 in words is "twelve trillion, six hundred sixty-four billion, four hundred forty-five million, one hundred sixty thousand, five hundred sixty".