116640993 has 8 divisors (see below), whose sum is σ = 177738688. Its totient is φ = 66651984.

The previous prime is 116640989. The next prime is 116641039. The reversal of 116640993 is 399046611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116640993 - 2² = 116640989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116640493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2777146 + ... + 2777187.

It is an arithmetic number, because the mean of its divisors is an integer number (22217336).

Almost surely, 2^116640993 is an apocalyptic number.

It is an amenable number.

116640993 is a deficient number, since it is larger than the sum of its proper divisors (61097695).

116640993 is an equidigital number, since it uses as much as digits as its factorization.

116640993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554343.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 116640993 is about 10800.0459721244. The cubic root of 116640993 is about 488.5965575144.

The spelling of 116640993 in words is "one hundred sixteen million, six hundred forty thousand, nine hundred ninety-three".