575664165 has 40 divisors (see below), whose sum is σ = 1037764728. Its totient is φ = 305285760.

The previous prime is 575664157. The next prime is 575664209. The reversal of 575664165 is 561466575.

575664165 is a `hidden beast` number, since 575 + 6 + 64 + 16 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 63728289 + 511935876 = 7983^2 + 22626^2 .

It is not a de Polignac number, because 575664165 - 2³ = 575664157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 575664165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69379 + ... + 77231.

Almost surely, 2^575664165 is an apocalyptic number.

It is an amenable number.

575664165 is a deficient number, since it is larger than the sum of its proper divisors (462100563).

575664165 is a wasteful number, since it uses less digits than its factorization.

575664165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051 (or 8042 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 575664165 is about 23993.0024173716. The cubic root of 575664165 is about 831.8717929337.

The spelling of 575664165 in words is "five hundred seventy-five million, six hundred sixty-four thousand, one hundred sixty-five".