13166232541563 has 16 divisors (see below), whose sum is σ = 17640110599200. Its totient is φ = 8734958269440.

The previous prime is 13166232541559. The next prime is 13166232541571. The reversal of 13166232541563 is 36514523266131.

It is not a de Polignac number, because 13166232541563 - 2² = 13166232541559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13166232541573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175068 + ... + 6034361.

It is an arithmetic number, because the mean of its divisors is an integer number (1102506912450).

Almost surely, 2^{13166232541563} is an apocalyptic number.

13166232541563 is a deficient number, since it is larger than the sum of its proper divisors (4473878057637).

13166232541563 is a wasteful number, since it uses less digits than its factorization.

13166232541563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211742.

The product of its digits is 2332800, while the sum is 48.

The spelling of 13166232541563 in words is "thirteen trillion, one hundred sixty-six billion, two hundred thirty-two million, five hundred forty-one thousand, five hundred sixty-three".