565165066 has 4 divisors (see below), whose sum is σ = 847747602. Its totient is φ = 282582532.

The previous prime is 565165049. The next prime is 565165091. The reversal of 565165066 is 660561565.

565165066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 535691025 + 29474041 = 23145^2 + 5429^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141291265 + ... + 141291268.

Almost surely, 2^565165066 is an apocalyptic number.

565165066 is a deficient number, since it is larger than the sum of its proper divisors (282582536).

565165066 is a wasteful number, since it uses less digits than its factorization.

565165066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282582535.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 565165066 is about 23773.2005838507. The cubic root of 565165066 is about 826.7834408038.

The spelling of 565165066 in words is "five hundred sixty-five million, one hundred sixty-five thousand, sixty-six".