13861586916 has 48 divisors (see below), whose sum is σ = 37499952000. Its totient is φ = 4419635616.

The previous prime is 13861586903. The next prime is 13861586923. The reversal of 13861586916 is 61968516831.

13861586916 is a `hidden beast` number, since 1 + 3 + 8 + 615 + 8 + 6 + 9 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787691 + ... + 2792658.

It is an arithmetic number, because the mean of its divisors is an integer number (781249000).

Almost surely, 2^13861586916 is an apocalyptic number.

It is an amenable number.

13861586916 is an abundant number, since it is smaller than the sum of its proper divisors (23638365084).

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

13861586916 is a wasteful number, since it uses less digits than its factorization.

13861586916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580385 (or 5580377 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 13861586916 in words is "thirteen billion, eight hundred sixty-one million, five hundred eighty-six thousand, nine hundred sixteen".