5681559682368 has 560 divisors, whose sum is σ = 17843344104960. Its totient is φ = 1783893196800.

The previous prime is 5681559682339. The next prime is 5681559682369. The reversal of 5681559682368 is 8632869551865.

5681559682368 is a `hidden beast` number, since 5 + 6 + 8 + 1 + 5 + 596 + 8 + 23 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 5681559682296 and 5681559682305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681559682369) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6037788778 + ... + 6037789718.

Almost surely, 2^{5681559682368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681559682368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8921672052480).

5681559682368 is an abundant number, since it is smaller than the sum of its proper divisors (12161784422592).

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

5681559682368 is a wasteful number, since it uses less digits than its factorization.

5681559682368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1689 counting only the distinct ones).

The product of its digits is 746496000, while the sum is 72.

The spelling of 5681559682368 in words is "five trillion, six hundred eighty-one billion, five hundred fifty-nine million, six hundred eighty-two thousand, three hundred sixty-eight".