13163643405156 has 12 divisors (see below), whose sum is σ = 30715167945392. Its totient is φ = 4387881135048.

The previous prime is 13163643405139. The next prime is 13163643405163. The reversal of 13163643405156 is 65150434636131.

It is a tau number, because it is divible by the number of its divisors (12).

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, 548485141870 + ... + 548485141893.

Almost surely, 2^{13163643405156} is an apocalyptic number.

It is an amenable number.

13163643405156 is an abundant number, since it is smaller than the sum of its proper divisors (17551524540236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13163643405156 is a wasteful number, since it uses less digits than its factorization.

13163643405156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096970283770 (or 1096970283768 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 13163643405156 in words is "thirteen trillion, one hundred sixty-three billion, six hundred forty-three million, four hundred five thousand, one hundred fifty-six".