13366872156 has 72 divisors (see below), whose sum is σ = 34835076864. Its totient is φ = 3956295840.

The previous prime is 13366872143. The next prime is 13366872163. The reversal of 13366872156 is 65127866331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216685 + ... + 271451.

It is an arithmetic number, because the mean of its divisors is an integer number (483820512).

Almost surely, 2^13366872156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13366872156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17417538432).

13366872156 is an abundant number, since it is smaller than the sum of its proper divisors (21468204708).

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

13366872156 is a wasteful number, since it uses less digits than its factorization.

13366872156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54871 (or 54826 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 13366872156 in words is "thirteen billion, three hundred sixty-six million, eight hundred seventy-two thousand, one hundred fifty-six".