116202161 has 2 divisors, whose sum is σ = 116202162. Its totient is φ = 116202160.

The previous prime is 116202143. The next prime is 116202173. The reversal of 116202161 is 161202611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 38056561 = 8840^2 + 6169^2 .

It is a cyclic number.

It is not a de Polignac number, because 116202161 - 2¹⁴ = 116185777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (116202661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58101080 + 58101081.

It is an arithmetic number, because the mean of its divisors is an integer number (58101081).

Almost surely, 2^116202161 is an apocalyptic number.

It is an amenable number.

116202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

116202161 is an equidigital number, since it uses as much as digits as its factorization.

116202161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 116202161 is about 10779.7106176372. The cubic root of 116202161 is about 487.9830474829.

Adding to 116202161 its reverse (161202611), we get a palindrome (277404772).

The spelling of 116202161 in words is "one hundred sixteen million, two hundred two thousand, one hundred sixty-one".