116015993 has 4 divisors (see below), whose sum is σ = 118205028. Its totient is φ = 113826960.

The previous prime is 116015971. The next prime is 116016001. The reversal of 116015993 is 399510611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399510611 = 3023 ⋅132157.

It can be written as a sum of positive squares in 2 ways, for example, as 54346384 + 61669609 = 7372^2 + 7853^2 .

It is a cyclic number.

It is not a de Polignac number, because 116015993 - 2⁶ = 116015929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116015903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094438 + ... + 1094543.

It is an arithmetic number, because the mean of its divisors is an integer number (29551257).

Almost surely, 2^116015993 is an apocalyptic number.

It is an amenable number.

116015993 is a deficient number, since it is larger than the sum of its proper divisors (2189035).

116015993 is an equidigital number, since it uses as much as digits as its factorization.

116015993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189034.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 116015993 is about 10771.0720450659. The cubic root of 116015993 is about 487.7223082510.

The spelling of 116015993 in words is "one hundred sixteen million, fifteen thousand, nine hundred ninety-three".