13631055616 has 36 divisors (see below), whose sum is σ = 28391871312. Its totient is φ = 6519197696.

The previous prime is 13631055589. The next prime is 13631055623. The reversal of 13631055616 is 61655013631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151641 + ... + 1163416.

It is an arithmetic number, because the mean of its divisors is an integer number (788663092).

Almost surely, 2^13631055616 is an apocalyptic number.

13631055616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13631055616 is an abundant number, since it is smaller than the sum of its proper divisors (14760815696).

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

13631055616 is an equidigital number, since it uses as much as digits as its factorization.

13631055616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315096 (or 2315082 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 13631055616 in words is "thirteen billion, six hundred thirty-one million, fifty-five thousand, six hundred sixteen".