2116637207 has 16 divisors (see below), whose sum is σ = 2311432992. Its totient is φ = 1930106880.

The previous prime is 2116637191. The next prime is 2116637209. The reversal of 2116637207 is 7027366112.

It is a cyclic number.

It is not a de Polignac number, because 2116637207 - 2⁴ = 2116637191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116637209) 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, 144608 + ... + 158570.

It is an arithmetic number, because the mean of its divisors is an integer number (144464562).

Almost surely, 2^2116637207 is an apocalyptic number.

2116637207 is a deficient number, since it is larger than the sum of its proper divisors (194795785).

2116637207 is a wasteful number, since it uses less digits than its factorization.

2116637207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2116637207 is about 46006.9256416901. The cubic root of 2116637207 is about 1283.9520607791.

The spelling of 2116637207 in words is "two billion, one hundred sixteen million, six hundred thirty-seven thousand, two hundred seven".