560660661 has 12 divisors (see below), whose sum is σ = 883465440. Its totient is φ = 339794280.

The previous prime is 560660651. The next prime is 560660671. The reversal of 560660661 is 166066065.

It is an interprime number because it is at equal distance from previous prime (560660651) and next prime (560660671).

It is not a de Polignac number, because 560660661 - 2⁷ = 560660533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560660641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2831521 + ... + 2831718.

It is an arithmetic number, because the mean of its divisors is an integer number (73622120).

Almost surely, 2^560660661 is an apocalyptic number.

It is an amenable number.

560660661 is a deficient number, since it is larger than the sum of its proper divisors (322804779).

560660661 is a wasteful number, since it uses less digits than its factorization.

560660661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663256 (or 5663253 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 560660661 is about 23678.2740291601. The cubic root of 560660661 is about 824.5810721566.

The spelling of 560660661 in words is "five hundred sixty million, six hundred sixty thousand, six hundred sixty-one".