6664441286 has 32 divisors (see below), whose sum is σ = 10746393120. Its totient is φ = 3088646656.

The previous prime is 6664441279. The next prime is 6664441297. The reversal of 6664441286 is 6821444666.

It is a self number, because there is not a number n which added to its sum of digits gives 6664441286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624080 + ... + 634668.

It is an arithmetic number, because the mean of its divisors is an integer number (335824785).

Almost surely, 2^6664441286 is an apocalyptic number.

6664441286 is a deficient number, since it is larger than the sum of its proper divisors (4081951834).

6664441286 is a wasteful number, since it uses less digits than its factorization.

6664441286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888.

The product of its digits is 1327104, while the sum is 47.

The square root of 6664441286 is about 81636.0293375419. The cubic root of 6664441286 is about 1881.8626181177.

The spelling of 6664441286 in words is "six billion, six hundred sixty-four million, four hundred forty-one thousand, two hundred eighty-six".