565376656 has 30 divisors (see below), whose sum is σ = 1186167570. Its totient is φ = 260941824.

The previous prime is 565376653. The next prime is 565376659. The reversal of 565376656 is 656673565.

It is an interprime number because it is at equal distance from previous prime (565376653) and next prime (565376659).

It can be written as a sum of positive squares in 3 ways, for example, as 839056 + 564537600 = 916^2 + 23760^2 .

It is not an unprimeable number, because it can be changed into a prime (565376653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101841 + ... + 107248.

It is an arithmetic number, because the mean of its divisors is an integer number (39538919).

Almost surely, 2^565376656 is an apocalyptic number.

It is an amenable number.

565376656 is an abundant number, since it is smaller than the sum of its proper divisors (620790914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565376656 is a wasteful number, since it uses less digits than its factorization.

565376656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209123 (or 209104 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 49.

The square root of 565376656 is about 23777.6503464913. The cubic root of 565376656 is about 826.8866066997.

The spelling of 565376656 in words is "five hundred sixty-five million, three hundred seventy-six thousand, six hundred fifty-six".