13687322323656 has 32 divisors (see below), whose sum is σ = 34226975492640. Its totient is φ = 4561284816768.

The previous prime is 13687322323613. The next prime is 13687322323687. The reversal of 13687322323656 is 65632322378631.

It is a super-4 number, since 4×13687322323656⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13687322323596 and 13687322323605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72150661 + ... + 72340116.

It is an arithmetic number, because the mean of its divisors is an integer number (1069592984145).

Almost surely, 2^{13687322323656} is an apocalyptic number.

It is an amenable number.

13687322323656 is an abundant number, since it is smaller than the sum of its proper divisors (20539653168984).

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

13687322323656 is a wasteful number, since it uses less digits than its factorization.

13687322323656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144494733 (or 144494729 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 57.

The spelling of 13687322323656 in words is "thirteen trillion, six hundred eighty-seven billion, three hundred twenty-two million, three hundred twenty-three thousand, six hundred fifty-six".