56023011660 has 192 divisors, whose sum is σ = 196213248000. Its totient is φ = 11602932480.

The previous prime is 56023011619. The next prime is 56023011661. The reversal of 56023011660 is 6611032065.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56023011661) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1398591 + ... + 1438089.

It is an arithmetic number, because the mean of its divisors is an integer number (1021944000).

Almost surely, 2^56023011660 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 56023011660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98106624000).

56023011660 is an abundant number, since it is smaller than the sum of its proper divisors (140190236340).

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

56023011660 is a wasteful number, since it uses less digits than its factorization.

56023011660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39836 (or 39834 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 56023011660 in words is "fifty-six billion, twenty-three million, eleven thousand, six hundred sixty".