566281872 has 120 divisors (see below), whose sum is σ = 1722457464. Its totient is φ = 172634112.

The previous prime is 566281847. The next prime is 566281889. The reversal of 566281872 is 278182665.

566281872 is a `hidden beast` number, since 5 + 6 + 628 + 18 + 7 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108493056 + 457788816 = 10416^2 + 21396^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 210198 + ... + 212874.

Almost surely, 2^566281872 is an apocalyptic number.

566281872 is a gapful number since it is divisible by the number (52) 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 566281872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861228732).

566281872 is an abundant number, since it is smaller than the sum of its proper divisors (1156175592).

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

566281872 is a wasteful number, since it uses less digits than its factorization.

566281872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2808 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 566281872 is about 23796.6777513165. The cubic root of 566281872 is about 827.3276765936.

It can be divided in two parts, 56628 and 1872, that multiplied together give a square (106007616 = 10296²).

The spelling of 566281872 in words is "five hundred sixty-six million, two hundred eighty-one thousand, eight hundred seventy-two".