56666150560516 has 96 divisors (see below), whose sum is σ = 120264977919744. Its totient is φ = 22806271488000.

The previous prime is 56666150560471. The next prime is 56666150560519. The reversal of 56666150560516 is 61506505166665.

It is a super-2 number, since 2×56666150560516² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56666150560519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1524043446 + ... + 1524080626.

It is an arithmetic number, because the mean of its divisors is an integer number (1252760186664).

Almost surely, 2^{56666150560516} 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 56666150560516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60132488959872).

56666150560516 is an abundant number, since it is smaller than the sum of its proper divisors (63598827359228).

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

56666150560516 is a wasteful number, since it uses less digits than its factorization.

56666150560516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44221 (or 44219 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 56666150560516 in words is "fifty-six trillion, six hundred sixty-six billion, one hundred fifty million, five hundred sixty thousand, five hundred sixteen".