116240161 has 2 divisors, whose sum is σ = 116240162. Its totient is φ = 116240160.

The previous prime is 116240147. The next prime is 116240177. The reversal of 116240161 is 161042611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 45158400 = 8431^2 + 6720^2 .

It is a cyclic number.

It is not a de Polignac number, because 116240161 - 2⁵ = 116240129 is a prime.

It is not a weakly prime, because it can be changed into another prime (116240261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58120080 + 58120081.

It is an arithmetic number, because the mean of its divisors is an integer number (58120081).

Almost surely, 2^116240161 is an apocalyptic number.

It is an amenable number.

116240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

116240161 is an equidigital number, since it uses as much as digits as its factorization.

116240161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 116240161 is about 10781.4730440696. The cubic root of 116240161 is about 488.0362344881.

Adding to 116240161 its reverse (161042611), we get a palindrome (277282772).

The spelling of 116240161 in words is "one hundred sixteen million, two hundred forty thousand, one hundred sixty-one".