116645957 has 2 divisors, whose sum is σ = 116645958. Its totient is φ = 116645956.

The previous prime is 116645933. The next prime is 116645983. The reversal of 116645957 is 759546611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116618401 + 27556 = 10799^2 + 166^2 .

It is an emirp because it is prime and its reverse (759546611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116645957 - 2²⁰ = 115597381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116645927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58322978 + 58322979.

It is an arithmetic number, because the mean of its divisors is an integer number (58322979).

Almost surely, 2^116645957 is an apocalyptic number.

It is an amenable number.

116645957 is a deficient number, since it is larger than the sum of its proper divisors (1).

116645957 is an equidigital number, since it uses as much as digits as its factorization.

116645957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 116645957 is about 10800.2757835159. The cubic root of 116645957 is about 488.6034886365.

The spelling of 116645957 in words is "one hundred sixteen million, six hundred forty-five thousand, nine hundred fifty-seven".