13688650810680 has 64 divisors (see below), whose sum is σ = 41128268227200. Its totient is φ = 3644767701120.

The previous prime is 13688650810657. The next prime is 13688650810687. The reversal of 13688650810680 is 8601805688631.

It is a super-2 number, since 2×13688650810680² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688650810687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86470306 + ... + 86628465.

It is an arithmetic number, because the mean of its divisors is an integer number (642629191050).

Almost surely, 2^{13688650810680} is an apocalyptic number.

13688650810680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13688650810680 is an abundant number, since it is smaller than the sum of its proper divisors (27439617416520).

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

13688650810680 is a wasteful number, since it uses less digits than its factorization.

13688650810680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173099444 (or 173099440 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 13688650810680 in words is "thirteen trillion, six hundred eighty-eight billion, six hundred fifty million, eight hundred ten thousand, six hundred eighty".