2116505206 has 8 divisors (see below), whose sum is σ = 3218247864. Its totient is φ = 1043755920.

The previous prime is 2116505179. The next prime is 2116505221. The reversal of 2116505206 is 6025056112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7248160 + ... + 7248451.

It is an arithmetic number, because the mean of its divisors is an integer number (402280983).

Almost surely, 2^2116505206 is an apocalyptic number.

2116505206 is a deficient number, since it is larger than the sum of its proper divisors (1101742658).

2116505206 is a wasteful number, since it uses less digits than its factorization.

2116505206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496686.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2116505206 is about 46005.4910418311. The cubic root of 2116505206 is about 1283.9253696235.

The spelling of 2116505206 in words is "two billion, one hundred sixteen million, five hundred five thousand, two hundred six".