6663556312 has 32 divisors (see below), whose sum is σ = 14373630720. Its totient is φ = 2836893600.

The previous prime is 6663556303. The next prime is 6663556327. The reversal of 6663556312 is 2136553666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385558 + ... + 402469.

It is an arithmetic number, because the mean of its divisors is an integer number (449175960).

Almost surely, 2^6663556312 is an apocalyptic number.

It is an amenable number.

6663556312 is an abundant number, since it is smaller than the sum of its proper divisors (7710074408).

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

6663556312 is a wasteful number, since it uses less digits than its factorization.

6663556312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788191 (or 788187 counting only the distinct ones).

The product of its digits is 583200, while the sum is 43.

The square root of 6663556312 is about 81630.6089160188. The cubic root of 6663556312 is about 1881.7793166505.

The spelling of 6663556312 in words is "six billion, six hundred sixty-three million, five hundred fifty-six thousand, three hundred twelve".