2116106666 has 8 divisors (see below), whose sum is σ = 3198390624. Its totient is φ = 1049976460.

The previous prime is 2116106623. The next prime is 2116106677. The reversal of 2116106666 is 6666016112.

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, 4038110 + ... + 4038633.

It is an arithmetic number, because the mean of its divisors is an integer number (399798828).

Almost surely, 2^2116106666 is an apocalyptic number.

2116106666 is a deficient number, since it is larger than the sum of its proper divisors (1082283958).

2116106666 is a wasteful number, since it uses less digits than its factorization.

2116106666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076876.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2116106666 is about 46001.1593984326. The cubic root of 2116106666 is about 1283.8447764305.

The spelling of 2116106666 in words is "two billion, one hundred sixteen million, one hundred six thousand, six hundred sixty-six".