566989216794 has 1344 divisors, whose sum is σ = 1929197813760. Its totient is φ = 122217258240.

The previous prime is 566989216769. The next prime is 566989216877. The reversal of 566989216794 is 497612989665.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 4464481959 + ... + 4464482085.

It is an arithmetic number, because the mean of its divisors is an integer number (1435415040).

Almost surely, 2^566989216794 is an apocalyptic number.

566989216794 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 566989216794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964598906880).

566989216794 is an abundant number, since it is smaller than the sum of its proper divisors (1362208596966).

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

566989216794 is a wasteful number, since it uses less digits than its factorization.

566989216794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 205 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 566989216794 in words is "five hundred sixty-six billion, nine hundred eighty-nine million, two hundred sixteen thousand, seven hundred ninety-four".