2116118 has 4 divisors (see below), whose sum is σ = 3174180. Its totient is φ = 1058058.

The previous prime is 2116117. The next prime is 2116123. The reversal of 2116118 is 8116112.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2116118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529028 + ... + 529031.

It is an arithmetic number, because the mean of its divisors is an integer number (793545).

2^2116118 is an apocalyptic number.

2116118 is a deficient number, since it is larger than the sum of its proper divisors (1058062).

2116118 is a wasteful number, since it uses less digits than its factorization.

2116118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058061.

The product of its digits is 96, while the sum is 20.

The square root of 2116118 is about 1454.6882827603. The cubic root of 2116118 is about 128.3847068544.

The spelling of 2116118 in words is "two million, one hundred sixteen thousand, one hundred eighteen".