566859541920 has 1152 divisors, whose sum is σ = 2253613694976. Its totient is φ = 119098957824.

The previous prime is 566859541909. The next prime is 566859541921. The reversal of 566859541920 is 29145958665.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (566859541921) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2541970929 + ... + 2541971151.

It is an arithmetic number, because the mean of its divisors is an integer number (1956261888).

Almost surely, 2^566859541920 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 566859541920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126806847488).

566859541920 is an abundant number, since it is smaller than the sum of its proper divisors (1686754153056).

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

566859541920 is a wasteful number, since it uses less digits than its factorization.

566859541920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 60.

The spelling of 566859541920 in words is "five hundred sixty-six billion, eight hundred fifty-nine million, five hundred forty-one thousand, nine hundred twenty".