202200161 has 2 divisors, whose sum is σ = 202200162. Its totient is φ = 202200160.

The previous prime is 202200149. The next prime is 202200169. The reversal of 202200161 is 161002202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 2825761 = 14120^2 + 1681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202200161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202200169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100080 + 101100081.

It is an arithmetic number, because the mean of its divisors is an integer number (101100081).

Almost surely, 2^202200161 is an apocalyptic number.

It is an amenable number.

202200161 is a deficient number, since it is larger than the sum of its proper divisors (1).

202200161 is an equidigital number, since it uses as much as digits as its factorization.

202200161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 202200161 is about 14219.7102994400. The cubic root of 202200161 is about 586.9401684386.

Adding to 202200161 its reverse (161002202), we get a palindrome (363202363).

The spelling of 202200161 in words is "two hundred two million, two hundred thousand, one hundred sixty-one".