116640899 has 2 divisors, whose sum is σ = 116640900. Its totient is φ = 116640898.

The previous prime is 116640857. The next prime is 116640911. The reversal of 116640899 is 998046611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116640899 - 2²⁴ = 99863683 is a prime.

It is not a weakly prime, because it can be changed into another prime (116640809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58320449 + 58320450.

It is an arithmetic number, because the mean of its divisors is an integer number (58320450).

Almost surely, 2^116640899 is an apocalyptic number.

116640899 is a deficient number, since it is larger than the sum of its proper divisors (1).

116640899 is an equidigital number, since it uses as much as digits as its factorization.

116640899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 116640899 is about 10800.0416202902. The cubic root of 116640899 is about 488.5964262624.

The spelling of 116640899 in words is "one hundred sixteen million, six hundred forty thousand, eight hundred ninety-nine".