566320626 has 64 divisors (see below), whose sum is σ = 1336383360. Its totient is φ = 177154560.

The previous prime is 566320619. The next prime is 566320627. The reversal of 566320626 is 626023665.

566320626 is a `hidden beast` number, since 5 + 6 + 6 + 3 + 20 + 626 = 666.

566320626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (566320627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428046 + ... + 429366.

It is an arithmetic number, because the mean of its divisors is an integer number (20880990).

Almost surely, 2^566320626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566320626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668191680).

566320626 is an abundant number, since it is smaller than the sum of its proper divisors (770062734).

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

566320626 is a wasteful number, since it uses less digits than its factorization.

566320626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 566320626 is about 23797.4920107141. The cubic root of 566320626 is about 827.3465491298.

The spelling of 566320626 in words is "five hundred sixty-six million, three hundred twenty thousand, six hundred twenty-six".