13165220663104 has 56 divisors (see below), whose sum is σ = 26177449052160. Its totient is φ = 6569330678784.

The previous prime is 13165220663093. The next prime is 13165220663143. The reversal of 13165220663104 is 40136602256131.

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, 489782337 + ... + 489809215.

It is an arithmetic number, because the mean of its divisors is an integer number (467454447360).

Almost surely, 2^{13165220663104} is an apocalyptic number.

It is an amenable number.

13165220663104 is a deficient number, since it is larger than the sum of its proper divisors (13012228389056).

13165220663104 is a wasteful number, since it uses less digits than its factorization.

13165220663104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42047 (or 42037 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 13165220663104 in words is "thirteen trillion, one hundred sixty-five billion, two hundred twenty million, six hundred sixty-three thousand, one hundred four".