6666060066 has 16 divisors (see below), whose sum is σ = 13450104864. Its totient is φ = 2202355904.

The previous prime is 6666060059. The next prime is 6666060083. The reversal of 6666060066 is 6600606666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4915296 + ... + 4916651.

It is an arithmetic number, because the mean of its divisors is an integer number (840631554).

Almost surely, 2^6666060066 is an apocalyptic number.

6666060066 is an abundant number, since it is smaller than the sum of its proper divisors (6784044798).

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

6666060066 is a wasteful number, since it uses less digits than its factorization.

6666060066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832065.

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 6666060066 is about 81645.9433529921. The cubic root of 6666060066 is about 1882.0149727224.

The spelling of 6666060066 in words is "six billion, six hundred sixty-six million, sixty thousand, sixty-six".