4327664666 has 16 divisors (see below), whose sum is σ = 7216355328. Its totient is φ = 1932951600.

The previous prime is 4327664657. The next prime is 4327664683. The reversal of 4327664666 is 6664667234.

It is a super-2 number, since 2×4327664666² = 37457362922689783112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683850 + ... + 2685461.

It is an arithmetic number, because the mean of its divisors is an integer number (451022208).

Almost surely, 2^4327664666 is an apocalyptic number.

4327664666 is a deficient number, since it is larger than the sum of its proper divisors (2888690662).

4327664666 is a wasteful number, since it uses less digits than its factorization.

4327664666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369357.

The product of its digits is 5225472, while the sum is 50.

The square root of 4327664666 is about 65784.9881507932. The cubic root of 4327664666 is about 1629.6132001512.

The spelling of 4327664666 in words is "four billion, three hundred twenty-seven million, six hundred sixty-four thousand, six hundred sixty-six".