56017161133680 has 160 divisors (see below), whose sum is σ = 176935812865344. Its totient is φ = 14655553855488.

The previous prime is 56017161133667. The next prime is 56017161133777. The reversal of 56017161133680 is 8633116171065.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490387932 + ... + 490502148.

Almost surely, 2^{56017161133680} 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 56017161133680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88467906432672).

56017161133680 is an abundant number, since it is smaller than the sum of its proper divisors (120918651731664).

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

56017161133680 is a wasteful number, since it uses less digits than its factorization.

56017161133680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152843 (or 152837 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 56017161133680 in words is "fifty-six trillion, seventeen billion, one hundred sixty-one million, one hundred thirty-three thousand, six hundred eighty".