13161133226601 has 32 divisors (see below), whose sum is σ = 19539270144000. Its totient is φ = 8755508408400.

The previous prime is 13161133226597. The next prime is 13161133226623. The reversal of 13161133226601 is 10662233116131.

13161133226601 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 1 + 13 + 32 + 2 + 6 + 601 = 666.

It is not a de Polignac number, because 13161133226601 - 2² = 13161133226597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13161133216601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343156576 + ... + 343194926.

It is an arithmetic number, because the mean of its divisors is an integer number (610602192000).

Almost surely, 2^{13161133226601} is an apocalyptic number.

It is an amenable number.

13161133226601 is a deficient number, since it is larger than the sum of its proper divisors (6378136917399).

13161133226601 is a wasteful number, since it uses less digits than its factorization.

13161133226601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64946 (or 64940 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 13161133226601 in words is "thirteen trillion, one hundred sixty-one billion, one hundred thirty-three million, two hundred twenty-six thousand, six hundred one".