11663536160564 has 24 divisors (see below), whose sum is σ = 20525891779008. Its totient is φ = 5799066514560.

The previous prime is 11663536160557. The next prime is 11663536160603. The reversal of 11663536160564 is 46506163536611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8198912 + ... + 9515735.

It is an arithmetic number, because the mean of its divisors is an integer number (855245490792).

Almost surely, 2^{11663536160564} is an apocalyptic number.

It is an amenable number.

11663536160564 is a deficient number, since it is larger than the sum of its proper divisors (8862355618444).

11663536160564 is a wasteful number, since it uses less digits than its factorization.

11663536160564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17715575 (or 17715573 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 11663536160564 in words is "eleven trillion, six hundred sixty-three billion, five hundred thirty-six million, one hundred sixty thousand, five hundred sixty-four".