560660657 has 4 divisors (see below), whose sum is σ = 570163440. Its totient is φ = 551157876.

The previous prime is 560660651. The next prime is 560660671. The reversal of 560660657 is 756066065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 560660657 - 2⁴ = 560660641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (560660651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751303 + ... + 4751420.

It is an arithmetic number, because the mean of its divisors is an integer number (142540860).

Almost surely, 2^560660657 is an apocalyptic number.

It is an amenable number.

560660657 is a deficient number, since it is larger than the sum of its proper divisors (9502783).

560660657 is an equidigital number, since it uses as much as digits as its factorization.

560660657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502782.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 560660657 is about 23678.2739446945. The cubic root of 560660657 is about 824.5810701956.

The spelling of 560660657 in words is "five hundred sixty million, six hundred sixty thousand, six hundred fifty-seven".