565066560 has 112 divisors (see below), whose sum is σ = 1802684736. Its totient is φ = 149962752.

The previous prime is 565066559. The next prime is 565066589. The reversal of 565066560 is 65660565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216624 + ... + 219216.

Almost surely, 2^565066560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565066560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901342368).

565066560 is an abundant number, since it is smaller than the sum of its proper divisors (1237618176).

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

565066560 is a wasteful number, since it uses less digits than its factorization.

565066560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 565066560 is about 23771.1287068999. The cubic root of 565066560 is about 826.7354030023.

The spelling of 565066560 in words is "five hundred sixty-five million, sixty-six thousand, five hundred sixty".