116011665 has 72 divisors (see below), whose sum is σ = 255235968. Its totient is φ = 48202560.

The previous prime is 116011607. The next prime is 116011669. The reversal of 116011665 is 566110611.

It is not a de Polignac number, because 116011665 - 2⁶ = 116011601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116011669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21864 + ... + 26646.

It is an arithmetic number, because the mean of its divisors is an integer number (3544944).

Almost surely, 2^116011665 is an apocalyptic number.

116011665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116011665 is an abundant number, since it is smaller than the sum of its proper divisors (139224303).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116011665 is a wasteful number, since it uses less digits than its factorization.

116011665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 116011665 is about 10770.8711346854. The cubic root of 116011665 is about 487.7162433160.

The spelling of 116011665 in words is "one hundred sixteen million, eleven thousand, six hundred sixty-five".