13164176565 has 16 divisors (see below), whose sum is σ = 23402980800. Its totient is φ = 7020894096.

The previous prime is 13164176537. The next prime is 13164176573. The reversal of 13164176565 is 56567146131.

13164176565 is a `hidden beast` number, since 1 + 3 + 16 + 4 + 1 + 76 + 565 = 666.

It is not a de Polignac number, because 13164176565 - 2⁷ = 13164176437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13164176565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48756075 + ... + 48756344.

It is an arithmetic number, because the mean of its divisors is an integer number (1462686300).

Almost surely, 2^13164176565 is an apocalyptic number.

13164176565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13164176565 is a deficient number, since it is larger than the sum of its proper divisors (10238804235).

13164176565 is an equidigital number, since it uses as much as digits as its factorization.

13164176565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97512433 (or 97512427 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 13164176565 in words is "thirteen billion, one hundred sixty-four million, one hundred seventy-six thousand, five hundred sixty-five".