660841903200 has 576 divisors, whose sum is σ = 2329538400000. Its totient is φ = 162172108800.

The previous prime is 660841903177. The next prime is 660841903217. The reversal of 660841903200 is 2309148066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 529096176 + ... + 529097424.

It is an arithmetic number, because the mean of its divisors is an integer number (4044337500).

Almost surely, 2^660841903200 is an apocalyptic number.

660841903200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660841903200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164769200000).

660841903200 is an abundant number, since it is smaller than the sum of its proper divisors (1668696496800).

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

660841903200 is a wasteful number, since it uses less digits than its factorization.

660841903200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 660841903200 in words is "six hundred sixty billion, eight hundred forty-one million, nine hundred three thousand, two hundred".