116640594831 has 4 divisors (see below), whose sum is σ = 155520793112. Its totient is φ = 77760396552.

The previous prime is 116640594817. The next prime is 116640594841. The reversal of 116640594831 is 138495046611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 116640594831 - 2⁵ = 116640594799 is a prime.

It is a super-2 number, since 2×116640594831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116640594841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440099136 + ... + 19440099141.

It is an arithmetic number, because the mean of its divisors is an integer number (38880198278).

Almost surely, 2^116640594831 is an apocalyptic number.

116640594831 is a deficient number, since it is larger than the sum of its proper divisors (38880198281).

116640594831 is an equidigital number, since it uses as much as digits as its factorization.

116640594831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38880198280.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 116640594831 in words is "one hundred sixteen billion, six hundred forty million, five hundred ninety-four thousand, eight hundred thirty-one".