200205161 has 16 divisors (see below), whose sum is σ = 225727488. Its totient is φ = 176299200.

The previous prime is 200205157. The next prime is 200205167. The reversal of 200205161 is 161502002.

It is a cyclic number.

It is not a de Polignac number, because 200205161 - 2² = 200205157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200205167) 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, 25115 + ... + 32111.

It is an arithmetic number, because the mean of its divisors is an integer number (14107968).

Almost surely, 2^200205161 is an apocalyptic number.

It is an amenable number.

200205161 is a deficient number, since it is larger than the sum of its proper divisors (25522327).

200205161 is a wasteful number, since it uses less digits than its factorization.

200205161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 200205161 is about 14149.3873012226. The cubic root of 200205161 is about 585.0034441076.

Adding to 200205161 its reverse (161502002), we get a palindrome (361707163).

The spelling of 200205161 in words is "two hundred million, two hundred five thousand, one hundred sixty-one".