566981619456 has 288 divisors, whose sum is σ = 1829239372800. Its totient is φ = 152196415488.

The previous prime is 566981619403. The next prime is 566981619469. The reversal of 566981619456 is 654916189665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54738630 + ... + 54748986.

It is an arithmetic number, because the mean of its divisors is an integer number (6351525600).

Almost surely, 2^566981619456 is an apocalyptic number.

566981619456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566981619456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914619686400).

566981619456 is an abundant number, since it is smaller than the sum of its proper divisors (1262257753344).

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

566981619456 is a wasteful number, since it uses less digits than its factorization.

566981619456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999 (or 10985 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 66.

The spelling of 566981619456 in words is "five hundred sixty-six billion, nine hundred eighty-one million, six hundred nineteen thousand, four hundred fifty-six".