2116643113 has 16 divisors (see below), whose sum is σ = 2328500160. Its totient is φ = 1912090176.

The previous prime is 2116643101. The next prime is 2116643131. The reversal of 2116643113 is 3113466112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116643113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116643153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168031 + ... + 180187.

It is an arithmetic number, because the mean of its divisors is an integer number (145531260).

Almost surely, 2^2116643113 is an apocalyptic number.

It is an amenable number.

2116643113 is a deficient number, since it is larger than the sum of its proper divisors (211857047).

2116643113 is a wasteful number, since it uses less digits than its factorization.

2116643113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456.

The product of its digits is 2592, while the sum is 28.

The square root of 2116643113 is about 46006.9898276338. The cubic root of 2116643113 is about 1283.9532549711.

The spelling of 2116643113 in words is "two billion, one hundred sixteen million, six hundred forty-three thousand, one hundred thirteen".