6666226666 has 32 divisors (see below), whose sum is σ = 11389206528. Its totient is φ = 2896689840.

The previous prime is 6666226657. The next prime is 6666226667.

6666226666 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6666226667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357171 + ... + 1362073.

It is an arithmetic number, because the mean of its divisors is an integer number (355912704).

Almost surely, 2^6666226666 is an apocalyptic number.

6666226666 is a deficient number, since it is larger than the sum of its proper divisors (4722979862).

6666226666 is a wasteful number, since it uses less digits than its factorization.

6666226666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626.

The product of its digits is 6718464, while the sum is 52.

The square root of 6666226666 is about 81646.9636055132. The cubic root of 6666226666 is about 1882.0306512031.

It can be divided in two parts, 6666 and 226666, that added together give a palindrome (233332).

The spelling of 6666226666 in words is "six billion, six hundred sixty-six million, two hundred twenty-six thousand, six hundred sixty-six".