5666500656 has 120 divisors (see below), whose sum is σ = 17076206160. Its totient is φ = 1747550208.

The previous prime is 5666500643. The next prime is 5666500657. The reversal of 5666500656 is 6560056665.

It is not an unprimeable number, because it can be changed into a prime (5666500657) 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 23 ways as a sum of consecutive naturals, for example, 124816 + ... + 164048.

It is an arithmetic number, because the mean of its divisors is an integer number (142301718).

Almost surely, 2^5666500656 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 5666500656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8538103080).

5666500656 is an abundant number, since it is smaller than the sum of its proper divisors (11409705504).

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

5666500656 is a wasteful number, since it uses less digits than its factorization.

5666500656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39323 (or 39314 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 5666500656 is about 75276.1626014504. The cubic root of 5666500656 is about 1782.8096703424.

The spelling of 5666500656 in words is "five billion, six hundred sixty-six million, five hundred thousand, six hundred fifty-six".