13637681696 has 72 divisors (see below), whose sum is σ = 28161559440. Its totient is φ = 6499405440.

The previous prime is 13637681597. The next prime is 13637681713. The reversal of 13637681696 is 69618673631.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057075 + ... + 2063693.

It is an arithmetic number, because the mean of its divisors is an integer number (391132770).

Almost surely, 2^13637681696 is an apocalyptic number.

13637681696 is a gapful number since it is divisible by the number (16) 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 13637681696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14080779720).

13637681696 is an abundant number, since it is smaller than the sum of its proper divisors (14523877744).

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

13637681696 is an equidigital number, since it uses as much as digits as its factorization.

13637681696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6719 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The spelling of 13637681696 in words is "thirteen billion, six hundred thirty-seven million, six hundred eighty-one thousand, six hundred ninety-six".