565572066 has 16 divisors (see below), whose sum is σ = 1133848800. Its totient is φ = 188073248.

The previous prime is 565572037. The next prime is 565572079. The reversal of 565572066 is 660275565.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109971 + ... + 114998.

It is an arithmetic number, because the mean of its divisors is an integer number (70865550).

Almost surely, 2^565572066 is an apocalyptic number.

565572066 is an abundant number, since it is smaller than the sum of its proper divisors (568276734).

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

565572066 is a wasteful number, since it uses less digits than its factorization.

565572066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225393.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 565572066 is about 23781.7591023036. The cubic root of 565572066 is about 826.9818607797.

The spelling of 565572066 in words is "five hundred sixty-five million, five hundred seventy-two thousand, sixty-six".