13163641365 has 32 divisors (see below), whose sum is σ = 25486583040. Its totient is φ = 5663683584.

The previous prime is 13163641357. The next prime is 13163641369. The reversal of 13163641365 is 56314636131.

It is not a de Polignac number, because 13163641365 - 2³ = 13163641357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163641369) 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, 3685510 + ... + 3689079.

It is an arithmetic number, because the mean of its divisors is an integer number (796455720).

Almost surely, 2^13163641365 is an apocalyptic number.

13163641365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13163641365 is a deficient number, since it is larger than the sum of its proper divisors (12322941675).

13163641365 is a wasteful number, since it uses less digits than its factorization.

13163641365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374621.

The product of its digits is 116640, while the sum is 39.

The spelling of 13163641365 in words is "thirteen billion, one hundred sixty-three million, six hundred forty-one thousand, three hundred sixty-five".