565775668 has 12 divisors (see below), whose sum is σ = 1022046592. Its totient is φ = 273762360.

The previous prime is 565775663. The next prime is 565775669. The reversal of 565775668 is 866577565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565775663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2281230 + ... + 2281477.

Almost surely, 2^565775668 is an apocalyptic number.

It is an amenable number.

565775668 is a deficient number, since it is larger than the sum of its proper divisors (456270924).

565775668 is a wasteful number, since it uses less digits than its factorization.

565775668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562742 (or 4562740 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 55.

The square root of 565775668 is about 23786.0393508461. The cubic root of 565775668 is about 827.0810847751.

The spelling of 565775668 in words is "five hundred sixty-five million, seven hundred seventy-five thousand, six hundred sixty-eight".