6664416606 has 24 divisors (see below), whose sum is σ = 14746796064. Its totient is φ = 2174206560.

The previous prime is 6664416599. The next prime is 6664416631. The reversal of 6664416606 is 6066144666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3937935 + ... + 3939626.

It is an arithmetic number, because the mean of its divisors is an integer number (614449836).

Almost surely, 2^6664416606 is an apocalyptic number.

6664416606 is an abundant number, since it is smaller than the sum of its proper divisors (8082379458).

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

6664416606 is a wasteful number, since it uses less digits than its factorization.

6664416606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877616 (or 7877613 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 6664416606 is about 81635.8781786538. The cubic root of 6664416606 is about 1881.8602951209.

The spelling of 6664416606 in words is "six billion, six hundred sixty-four million, four hundred sixteen thousand, six hundred six".