200066165 has 16 divisors (see below), whose sum is σ = 259231728. Its totient is φ = 147350016.

The previous prime is 200066159. The next prime is 200066171. The reversal of 200066165 is 561660002.

It is an interprime number because it is at equal distance from previous prime (200066159) and next prime (200066171).

It can be written as a sum of positive squares in 8 ways, for example, as 6355441 + 193710724 = 2521^2 + 13918^2 .

It is a cyclic number.

It is not a de Polignac number, because 200066165 - 2¹⁰ = 200065141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21929 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (16201983).

Almost surely, 2^200066165 is an apocalyptic number.

It is an amenable number.

200066165 is a deficient number, since it is larger than the sum of its proper divisors (59165563).

200066165 is a wasteful number, since it uses less digits than its factorization.

200066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 200066165 is about 14144.4747162982. The cubic root of 200066165 is about 584.8680297435.

The spelling of 200066165 in words is "two hundred million, sixty-six thousand, one hundred sixty-five".