6669109228 has 12 divisors (see below), whose sum is σ = 11672381952. Its totient is φ = 3334142960.

The previous prime is 6669109219. The next prime is 6669109229. The reversal of 6669109228 is 8229019666.

It is not an unprimeable number, because it can be changed into a prime (6669109229) 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, 64903 + ... + 132478.

It is an arithmetic number, because the mean of its divisors is an integer number (972698496).

Almost surely, 2^6669109228 is an apocalyptic number.

It is an amenable number.

6669109228 is a deficient number, since it is larger than the sum of its proper divisors (5003272724).

6669109228 is a wasteful number, since it uses less digits than its factorization.

6669109228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205832 (or 205830 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 6669109228 is about 81664.6142952993. The cubic root of 6669109228 is about 1882.3018835179.

The spelling of 6669109228 in words is "six billion, six hundred sixty-nine million, one hundred nine thousand, two hundred twenty-eight".