566381004 has 72 divisors (see below), whose sum is σ = 1551599280. Its totient is φ = 160320384.

The previous prime is 566380999. The next prime is 566381021. The reversal of 566381004 is 400183665.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59674 + ... + 68510.

It is an arithmetic number, because the mean of its divisors is an integer number (21549990).

Almost surely, 2^566381004 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 566381004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775799640).

566381004 is an abundant number, since it is smaller than the sum of its proper divisors (985218276).

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

566381004 is a wasteful number, since it uses less digits than its factorization.

566381004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967 (or 8958 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 566381004 is about 23798.7605559617. The cubic root of 566381004 is about 827.3759504692.

The spelling of 566381004 in words is "five hundred sixty-six million, three hundred eighty-one thousand, four".