13381167156 has 144 divisors (see below), whose sum is σ = 37617592320. Its totient is φ = 3689038080.

The previous prime is 13381167131. The next prime is 13381167157. The reversal of 13381167156 is 65176118331.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381167157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897485 + ... + 1904523.

It is an arithmetic number, because the mean of its divisors is an integer number (261233280).

Almost surely, 2^13381167156 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 13381167156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18808796160).

13381167156 is an abundant number, since it is smaller than the sum of its proper divisors (24236425164).

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

13381167156 is a wasteful number, since it uses less digits than its factorization.

13381167156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7165 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The spelling of 13381167156 in words is "thirteen billion, three hundred eighty-one million, one hundred sixty-seven thousand, one hundred fifty-six".