116499961 has 2 divisors, whose sum is σ = 116499962. Its totient is φ = 116499960.

The previous prime is 116499959. The next prime is 116500009. The reversal of 116499961 is 169994611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115154361 + 1345600 = 10731^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 116499961 - 2¹ = 116499959 is a prime.

Together with 116499959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116499941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58249980 + 58249981.

It is an arithmetic number, because the mean of its divisors is an integer number (58249981).

Almost surely, 2^116499961 is an apocalyptic number.

It is an amenable number.

116499961 is a deficient number, since it is larger than the sum of its proper divisors (1).

116499961 is an equidigital number, since it uses as much as digits as its factorization.

116499961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 46.

The square root of 116499961 is about 10793.5147658212. The cubic root of 116499961 is about 488.3995554742.

The spelling of 116499961 in words is "one hundred sixteen million, four hundred ninety-nine thousand, nine hundred sixty-one".