2117684266 has 8 divisors (see below), whose sum is σ = 3190771584. Its totient is φ = 1054093740.

The previous prime is 2117684207. The next prime is 2117684279. The reversal of 2117684266 is 6624867112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373640 + ... + 2374531.

It is an arithmetic number, because the mean of its divisors is an integer number (398846448).

Almost surely, 2^2117684266 is an apocalyptic number.

2117684266 is a deficient number, since it is larger than the sum of its proper divisors (1073087318).

2117684266 is a wasteful number, since it uses less digits than its factorization.

2117684266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748396.

The product of its digits is 193536, while the sum is 43.

The square root of 2117684266 is about 46018.3035975904. The cubic root of 2117684266 is about 1284.1637411967.

The spelling of 2117684266 in words is "two billion, one hundred seventeen million, six hundred eighty-four thousand, two hundred sixty-six".