116161949 has 2 divisors, whose sum is σ = 116161950. Its totient is φ = 116161948.

The previous prime is 116161943. The next prime is 116161951. The reversal of 116161949 is 949161611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115713049 + 448900 = 10757^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 116161949 - 2⁴ = 116161933 is a prime.

It is a Sophie Germain prime.

Together with 116161951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116161943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58080974 + 58080975.

It is an arithmetic number, because the mean of its divisors is an integer number (58080975).

Almost surely, 2^116161949 is an apocalyptic number.

It is an amenable number.

116161949 is a deficient number, since it is larger than the sum of its proper divisors (1).

116161949 is an equidigital number, since it uses as much as digits as its factorization.

116161949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 38.

The square root of 116161949 is about 10777.8452855847. The cubic root of 116161949 is about 487.9267518051.

The spelling of 116161949 in words is "one hundred sixteen million, one hundred sixty-one thousand, nine hundred forty-nine".