13163173412 has 12 divisors (see below), whose sum is σ = 23351109516. Its totient is φ = 6491427840.

The previous prime is 13163173363. The next prime is 13163173421. The reversal of 13163173412 is 21437136131.

It can be written as a sum of positive squares in 2 ways, for example, as 2821096996 + 10342076416 = 53114^2 + 101696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22539389 + ... + 22539972.

It is an arithmetic number, because the mean of its divisors is an integer number (1945925793).

Almost surely, 2^13163173412 is an apocalyptic number.

It is an amenable number.

13163173412 is a deficient number, since it is larger than the sum of its proper divisors (10187936104).

13163173412 is a wasteful number, since it uses less digits than its factorization.

13163173412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45079438 (or 45079436 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The spelling of 13163173412 in words is "thirteen billion, one hundred sixty-three million, one hundred seventy-three thousand, four hundred twelve".