56669376794624 has 208 divisors, whose sum is σ = 126356470235136. Its totient is φ = 25195858329600.

The previous prime is 56669376794623. The next prime is 56669376794629. The reversal of 56669376794624 is 42649767396665.

It is a super-2 number, since 2×56669376794624² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56669376794623) 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 15 ways as a sum of consecutive naturals, for example, 406200209 + ... + 406339695.

Almost surely, 2^{56669376794624} 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 56669376794624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63178235117568).

56669376794624 is an abundant number, since it is smaller than the sum of its proper divisors (69687093440512).

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

56669376794624 is a wasteful number, since it uses less digits than its factorization.

56669376794624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139720 (or 139698 counting only the distinct ones).

The product of its digits is 14814213120, while the sum is 80.

The spelling of 56669376794624 in words is "fifty-six trillion, six hundred sixty-nine billion, three hundred seventy-six million, seven hundred ninety-four thousand, six hundred twenty-four".