6666112166 has 8 divisors (see below), whose sum is σ = 11427620880. Its totient is φ = 2856905208.

The previous prime is 6666112163. The next prime is 6666112181. The reversal of 6666112166 is 6612116666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666112163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238075421 + ... + 238075448.

It is an arithmetic number, because the mean of its divisors is an integer number (1428452610).

Almost surely, 2^6666112166 is an apocalyptic number.

6666112166 is a deficient number, since it is larger than the sum of its proper divisors (4761508714).

6666112166 is a wasteful number, since it uses less digits than its factorization.

6666112166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476150878.

The product of its digits is 93312, while the sum is 41.

The square root of 6666112166 is about 81646.2624129237. The cubic root of 6666112166 is about 1882.0198758047.

The spelling of 6666112166 in words is "six billion, six hundred sixty-six million, one hundred twelve thousand, one hundred sixty-six".