6663605117200 has 960 divisors, whose sum is σ = 19252757030400. Its totient is φ = 2197949644800.

The previous prime is 6663605117111. The next prime is 6663605117261. The reversal of 6663605117200 is 27115063666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9842843262 + ... + 9842843938.

It is an arithmetic number, because the mean of its divisors is an integer number (20054955240).

Almost surely, 2^{6663605117200} 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 6663605117200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9626378515200).

6663605117200 is an abundant number, since it is smaller than the sum of its proper divisors (12589151913200).

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

6663605117200 is a wasteful number, since it uses less digits than its factorization.

6663605117200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 6663605117200 in words is "six trillion, six hundred sixty-three billion, six hundred five million, one hundred seventeen thousand, two hundred".