13613578116 has 24 divisors (see below), whose sum is σ = 31896827424. Its totient is φ = 4519029120.

The previous prime is 13613578103. The next prime is 13613578151. The reversal of 13613578116 is 61187531631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350770 + ... + 2356553.

It is an arithmetic number, because the mean of its divisors is an integer number (1329034476).

Almost surely, 2^13613578116 is an apocalyptic number.

It is an amenable number.

13613578116 is an abundant number, since it is smaller than the sum of its proper divisors (18283249308).

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

13613578116 is a wasteful number, since it uses less digits than its factorization.

13613578116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707571 (or 4707569 counting only the distinct ones).

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

The spelling of 13613578116 in words is "thirteen billion, six hundred thirteen million, five hundred seventy-eight thousand, one hundred sixteen".