2118116994 has 32 divisors (see below), whose sum is σ = 4885837440. Its totient is φ = 599622912.

The previous prime is 2118116983. The next prime is 2118117013. The reversal of 2118116994 is 4996118112.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 226759 + ... + 235914.

It is an arithmetic number, because the mean of its divisors is an integer number (152682420).

Almost surely, 2^2118116994 is an apocalyptic number.

2118116994 is an abundant number, since it is smaller than the sum of its proper divisors (2767720446).

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

2118116994 is a wasteful number, since it uses less digits than its factorization.

2118116994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462794.

The product of its digits is 31104, while the sum is 42.

The square root of 2118116994 is about 46023.0050518216. The cubic root of 2118116994 is about 1284.2512039928.

The spelling of 2118116994 in words is "two billion, one hundred eighteen million, one hundred sixteen thousand, nine hundred ninety-four".