13163266662507 has 96 divisors (see below), whose sum is σ = 22376504404800. Its totient is φ = 7383127449600.

The previous prime is 13163266662503. The next prime is 13163266662529. The reversal of 13163266662507 is 70526666236131.

It is not a de Polignac number, because 13163266662507 - 2² = 13163266662503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13163266662503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17751907 + ... + 18478547.

It is an arithmetic number, because the mean of its divisors is an integer number (233088587550).

Almost surely, 2^{13163266662507} is an apocalyptic number.

13163266662507 is a deficient number, since it is larger than the sum of its proper divisors (9213237742293).

13163266662507 is a wasteful number, since it uses less digits than its factorization.

13163266662507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726989 (or 726986 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 13163266662507 in words is "thirteen trillion, one hundred sixty-three billion, two hundred sixty-six million, six hundred sixty-two thousand, five hundred seven".