6604518850560 has 540 divisors, whose sum is σ = 23775865031688. Its totient is φ = 1761205026816.

The previous prime is 6604518850513. The next prime is 6604518850571. The reversal of 6604518850560 is 650588154066.

It is a Jordan-Polya number, since it can be written as 6! ⋅ (4!)⁷ ⋅ 2!.

6604518850560 is a `hidden beast` number, since 6 + 6 + 0 + 4 + 51 + 88 + 505 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

It is a super-2 number, since 2×6604518850560² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6604518850497 and 6604518850506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1320903770110 + ... + 1320903770114.

Almost surely, 2^{6604518850560} is an apocalyptic number.

6604518850560 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 6604518850560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11887932515844).

6604518850560 is an abundant number, since it is smaller than the sum of its proper divisors (17171346181128).

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

6604518850560 is an frugal number, since it uses more digits than its factorization.

6604518850560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 6604518850560 in words is "six trillion, six hundred four billion, five hundred eighteen million, eight hundred fifty thousand, five hundred sixty".