116663993 has 2 divisors, whose sum is σ = 116663994. Its totient is φ = 116663992.

The previous prime is 116663969. The next prime is 116664007. The reversal of 116663993 is 399366611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105925264 + 10738729 = 10292^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 116663993 - 2²⁴ = 99886777 is a prime.

It is a super-2 number, since 2×116663993² = 27220974525408098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116663593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58331996 + 58331997.

It is an arithmetic number, because the mean of its divisors is an integer number (58331997).

Almost surely, 2^116663993 is an apocalyptic number.

It is an amenable number.

116663993 is a deficient number, since it is larger than the sum of its proper divisors (1).

116663993 is an equidigital number, since it uses as much as digits as its factorization.

116663993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 44.

The square root of 116663993 is about 10801.1107299203. The cubic root of 116663993 is about 488.6286702447.

The spelling of 116663993 in words is "one hundred sixteen million, six hundred sixty-three thousand, nine hundred ninety-three".