56866245696 has 784 divisors, whose sum is σ = 195190475760. Its totient is φ = 16303472640.

The previous prime is 56866245673. The next prime is 56866245731. The reversal of 56866245696 is 69654266865.

56866245696 is a `hidden beast` number, since 5 + 6 + 8 + 6 + 62 + 4 + 569 + 6 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7464960000 + 49401285696 = 86400^2 + 222264^2 .

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 111 ways as a sum of consecutive naturals, for example, 932233506 + ... + 932233566.

Almost surely, 2^56866245696 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 56866245696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97595237880).

56866245696 is an abundant number, since it is smaller than the sum of its proper divisors (138324230064).

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

56866245696 is a wasteful number, since it uses less digits than its factorization.

56866245696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 161 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 56866245696 in words is "fifty-six billion, eight hundred sixty-six million, two hundred forty-five thousand, six hundred ninety-six".