560885661 has 16 divisors (see below), whose sum is σ = 949648000. Its totient is φ = 320505984.

The previous prime is 560885653. The next prime is 560885693. The reversal of 560885661 is 166588065.

560885661 is a `hidden beast` number, since 5 + 6 + 0 + 88 + 566 + 1 = 666.

It is not a de Polignac number, because 560885661 - 2³ = 560885653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560885461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483636 + ... + 1484013.

It is an arithmetic number, because the mean of its divisors is an integer number (59353000).

Almost surely, 2^560885661 is an apocalyptic number.

It is an amenable number.

560885661 is a deficient number, since it is larger than the sum of its proper divisors (388762339).

560885661 is a wasteful number, since it uses less digits than its factorization.

560885661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967665 (or 2967659 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 560885661 is about 23683.0247434740. The cubic root of 560885661 is about 824.6913622370.

The spelling of 560885661 in words is "five hundred sixty million, eight hundred eighty-five thousand, six hundred sixty-one".