56716116640 has 96 divisors (see below), whose sum is σ = 138692736000. Its totient is φ = 21891437568.

The previous prime is 56716116637. The next prime is 56716116647. The reversal of 56716116640 is 4661161765.

It is not an unprimeable number, because it can be changed into a prime (56716116647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13634881 + ... + 13639039.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716000).

Almost surely, 2^56716116640 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 56716116640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69346368000).

56716116640 is an abundant number, since it is smaller than the sum of its proper divisors (81976619360).

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

56716116640 is a wasteful number, since it uses less digits than its factorization.

56716116640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 56716116640 in words is "fifty-six billion, seven hundred sixteen million, one hundred sixteen thousand, six hundred forty".