566660313 has 24 divisors (see below), whose sum is σ = 884522400. Its totient is φ = 357550200.

The previous prime is 566660279. The next prime is 566660317. The reversal of 566660313 is 313066665.

It is a happy number.

It is not a de Polignac number, because 566660313 - 2¹⁷ = 566529241 is a prime.

It is a super-2 number, since 2×566660313² = 642207820658515938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (566660317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538638 + ... + 539688.

It is an arithmetic number, because the mean of its divisors is an integer number (36855100).

Almost surely, 2^566660313 is an apocalyptic number.

It is an amenable number.

566660313 is a deficient number, since it is larger than the sum of its proper divisors (317862087).

566660313 is an equidigital number, since it uses as much as digits as its factorization.

566660313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 566660313 is about 23804.6279744087. The cubic root of 566660313 is about 827.5119340624.

The spelling of 566660313 in words is "five hundred sixty-six million, six hundred sixty thousand, three hundred thirteen".