13164975819 has 16 divisors (see below), whose sum is σ = 20351654400. Its totient is φ = 8395056648.

The previous prime is 13164975787. The next prime is 13164975821. The reversal of 13164975819 is 91857946131.

13164975819 is a `hidden beast` number, since 1 + 3 + 16 + 49 + 7 + 581 + 9 = 666.

It is not a de Polignac number, because 13164975819 - 2⁵ = 13164975787 is a prime.

It is a super-2 number, since 2×13164975819² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13164975119) 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, 10599199 + ... + 10600440.

It is an arithmetic number, because the mean of its divisors is an integer number (1271978400).

Almost surely, 2^13164975819 is an apocalyptic number.

13164975819 is a deficient number, since it is larger than the sum of its proper divisors (7186678581).

13164975819 is a wasteful number, since it uses less digits than its factorization.

13164975819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199671 (or 21199665 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 13164975819 in words is "thirteen billion, one hundred sixty-four million, nine hundred seventy-five thousand, eight hundred nineteen".