200056165 has 4 divisors (see below), whose sum is σ = 240067404. Its totient is φ = 160044928.

The previous prime is 200056163. The next prime is 200056189. The reversal of 200056165 is 561650002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134235396 + 65820769 = 11586^2 + 8113^2 .

It is a cyclic number.

It is not a de Polignac number, because 200056165 - 2¹ = 200056163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200056163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20005612 + ... + 20005621.

It is an arithmetic number, because the mean of its divisors is an integer number (60016851).

Almost surely, 2^200056165 is an apocalyptic number.

It is an amenable number.

200056165 is a deficient number, since it is larger than the sum of its proper divisors (40011239).

200056165 is an equidigital number, since it uses as much as digits as its factorization.

200056165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40011238.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 200056165 is about 14144.1212169579. The cubic root of 200056165 is about 584.8582850044.

The spelling of 200056165 in words is "two hundred million, fifty-six thousand, one hundred sixty-five".