13117644792 has 160 divisors (see below), whose sum is σ = 43345336320. Its totient is φ = 3626959680.

The previous prime is 13117644773. The next prime is 13117644833. The reversal of 13117644792 is 29744671131.

It is a happy number.

13117644792 is a `hidden beast` number, since 1 + 3 + 1 + 176 + 4 + 479 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93973 + ... + 187259.

It is an arithmetic number, because the mean of its divisors is an integer number (270908352).

Almost surely, 2^13117644792 is an apocalyptic number.

13117644792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13117644792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21672668160).

13117644792 is an abundant number, since it is smaller than the sum of its proper divisors (30227691528).

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

13117644792 is a wasteful number, since it uses less digits than its factorization.

13117644792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93343 (or 93330 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 13117644792 in words is "thirteen billion, one hundred seventeen million, six hundred forty-four thousand, seven hundred ninety-two".