6663289859208 has 240 divisors, whose sum is σ = 19695249066240. Its totient is φ = 2103706157760.

The previous prime is 6663289859201. The next prime is 6663289859243. The reversal of 6663289859208 is 8029589823666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6663289859201) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 29154385 + ... + 29382047.

It is an arithmetic number, because the mean of its divisors is an integer number (82063537776).

Almost surely, 2^{6663289859208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6663289859208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9847624533120).

6663289859208 is an abundant number, since it is smaller than the sum of its proper divisors (13031959207032).

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

6663289859208 is a wasteful number, since it uses less digits than its factorization.

6663289859208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227790 (or 227746 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

The spelling of 6663289859208 in words is "six trillion, six hundred sixty-three billion, two hundred eighty-nine million, eight hundred fifty-nine thousand, two hundred eight".