5681626390656 has 96 divisors (see below), whose sum is σ = 16626581665200. Its totient is φ = 1861775857152.

The previous prime is 5681626390621. The next prime is 5681626390663. The reversal of 5681626390656 is 6560936261865.

5681626390656 is a `hidden beast` number, since 56 + 81 + 62 + 6 + 390 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5681626390656² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5681626390593 and 5681626390602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41728366 + ... + 41864301.

Almost surely, 2^{5681626390656} is an apocalyptic number.

It is an amenable number.

5681626390656 is an abundant number, since it is smaller than the sum of its proper divisors (10944955274544).

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

5681626390656 is a wasteful number, since it uses less digits than its factorization.

5681626390656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83592746 (or 83592731 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 5681626390656 in words is "five trillion, six hundred eighty-one billion, six hundred twenty-six million, three hundred ninety thousand, six hundred fifty-six".