200565165 has 16 divisors (see below), whose sum is σ = 321208128. Its totient is φ = 106866816.

The previous prime is 200565161. The next prime is 200565173. The reversal of 200565165 is 561565002.

It is not a de Polignac number, because 200565165 - 2² = 200565161 is a prime.

It is a super-2 number, since 2×200565165² = 80452770822954450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200565161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11697 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (20075508).

Almost surely, 2^200565165 is an apocalyptic number.

It is an amenable number.

200565165 is a deficient number, since it is larger than the sum of its proper divisors (120642963).

200565165 is a wasteful number, since it uses less digits than its factorization.

200565165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 200565165 is about 14162.1031277138. The cubic root of 200565165 is about 585.3538804146.

The spelling of 200565165 in words is "two hundred million, five hundred sixty-five thousand, one hundred sixty-five".