6630440366 has 16 divisors (see below), whose sum is σ = 10864171440. Its totient is φ = 3009847680.

The previous prime is 6630440357. The next prime is 6630440371.

6630440366 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182411 + ... + 215718.

It is an arithmetic number, because the mean of its divisors is an integer number (679010715).

Almost surely, 2^6630440366 is an apocalyptic number.

6630440366 is a deficient number, since it is larger than the sum of its proper divisors (4233731074).

6630440366 is a wasteful number, since it uses less digits than its factorization.

6630440366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398899.

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 6630440366 is about 81427.5160249900. The cubic root of 6630440366 is about 1878.6568388223.

The spelling of 6630440366 in words is "six billion, six hundred thirty million, four hundred forty thousand, three hundred sixty-six".