6602556400000 has 384 divisors, whose sum is σ = 17971138211040. Its totient is φ = 2396160000000.

The previous prime is 6602556399973. The next prime is 6602556400001. The reversal of 6602556400000 is 46552066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602556400001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2820398830 + ... + 2820401170.

Almost surely, 2^{6602556400000} 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 6602556400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8985569105520).

6602556400000 is an abundant number, since it is smaller than the sum of its proper divisors (11368581811040).

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

6602556400000 is an equidigital number, since it uses as much as digits as its factorization.

6602556400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 6602556400000 in words is "six trillion, six hundred two billion, five hundred fifty-six million, four hundred thousand".