116042161 has 2 divisors, whose sum is σ = 116042162. Its totient is φ = 116042160.

The previous prime is 116042149. The next prime is 116042209. The reversal of 116042161 is 161240611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 42837025 = 8556^2 + 6545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116042161 is a prime.

It is not a weakly prime, because it can be changed into another prime (116042131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58021080 + 58021081.

It is an arithmetic number, because the mean of its divisors is an integer number (58021081).

Almost surely, 2^116042161 is an apocalyptic number.

It is an amenable number.

116042161 is a deficient number, since it is larger than the sum of its proper divisors (1).

116042161 is an equidigital number, since it uses as much as digits as its factorization.

116042161 is an odious number, because the sum of its binary digits is odd.

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

The square root of 116042161 is about 10772.2867117432. The cubic root of 116042161 is about 487.7589749139.

Adding to 116042161 its reverse (161240611), we get a palindrome (277282772).

The spelling of 116042161 in words is "one hundred sixteen million, forty-two thousand, one hundred sixty-one".