565369966 has 16 divisors (see below), whose sum is σ = 1020216960. Its totient is φ = 229548600.

The previous prime is 565369963. The next prime is 565369979. The reversal of 565369966 is 669963565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565369963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062460 + ... + 1062991.

It is an arithmetic number, because the mean of its divisors is an integer number (63763560).

Almost surely, 2^565369966 is an apocalyptic number.

565369966 is a deficient number, since it is larger than the sum of its proper divisors (454846994).

565369966 is a wasteful number, since it uses less digits than its factorization.

565369966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125479.

The product of its digits is 7873200, while the sum is 55.

The square root of 565369966 is about 23777.5096677512. The cubic root of 565369966 is about 826.8833452202.

The spelling of 565369966 in words is "five hundred sixty-five million, three hundred sixty-nine thousand, nine hundred sixty-six".