6663299205888 has 162 divisors, whose sum is σ = 20803456699116. Its totient is φ = 2050245789696.

The previous prime is 6663299205847. The next prime is 6663299205911. The reversal of 6663299205888 is 8885029923666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8167006 + ... + 8945757.

Almost surely, 2^{6663299205888} is an apocalyptic number.

It is an amenable number.

6663299205888 is an abundant number, since it is smaller than the sum of its proper divisors (14140157493228).

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

6663299205888 is a wasteful number, since it uses less digits than its factorization.

6663299205888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112811 (or 17112781 counting only the distinct ones).

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

The spelling of 6663299205888 in words is "six trillion, six hundred sixty-three billion, two hundred ninety-nine million, two hundred five thousand, eight hundred eighty-eight".