560366721 has 32 divisors (see below), whose sum is σ = 866557440. Its totient is φ = 357552000.

The previous prime is 560366713. The next prime is 560366743. The reversal of 560366721 is 127663065.

560366721 is a `hidden beast` number, since 560 + 36 + 67 + 2 + 1 = 666.

It is not a de Polignac number, because 560366721 - 2³ = 560366713 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (560366021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53896 + ... + 63446.

It is an arithmetic number, because the mean of its divisors is an integer number (27079920).

Almost surely, 2^560366721 is an apocalyptic number.

It is an amenable number.

560366721 is a deficient number, since it is larger than the sum of its proper divisors (306190719).

560366721 is a wasteful number, since it uses less digits than its factorization.

560366721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9648 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 560366721 is about 23672.0662596234. The cubic root of 560366721 is about 824.4369447328.

The spelling of 560366721 in words is "five hundred sixty million, three hundred sixty-six thousand, seven hundred twenty-one".