13164923817 has 32 divisors (see below), whose sum is σ = 20333808000. Its totient is φ = 8410723776.

The previous prime is 13164923789. The next prime is 13164923831. The reversal of 13164923817 is 71832946131.

It is not a de Polignac number, because 13164923817 - 2²⁶ = 13097814953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13164923857) 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, 45442 + ... + 168507.

It is an arithmetic number, because the mean of its divisors is an integer number (635431500).

Almost surely, 2^13164923817 is an apocalyptic number.

It is an amenable number.

13164923817 is a deficient number, since it is larger than the sum of its proper divisors (7168884183).

13164923817 is a wasteful number, since it uses less digits than its factorization.

13164923817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214054 (or 214048 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 13164923817 in words is "thirteen billion, one hundred sixty-four million, nine hundred twenty-three thousand, eight hundred seventeen".