6666655116 has 96 divisors (see below), whose sum is σ = 17592567552. Its totient is φ = 1947075840.

The previous prime is 6666655109. The next prime is 6666655117. The reversal of 6666655116 is 6115566666.

It is not an unprimeable number, because it can be changed into a prime (6666655117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516210 + ... + 528966.

It is an arithmetic number, because the mean of its divisors is an integer number (183255912).

Almost surely, 2^6666655116 is an apocalyptic number.

6666655116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666655116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8796283776).

6666655116 is an abundant number, since it is smaller than the sum of its proper divisors (10925912436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6666655116 is a wasteful number, since it uses less digits than its factorization.

6666655116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919 (or 12917 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 6666655116 is about 81649.5873596432. The cubic root of 6666655116 is about 1882.0709708021.

The spelling of 6666655116 in words is "six billion, six hundred sixty-six million, six hundred fifty-five thousand, one hundred sixteen".