6604020315648 has 960 divisors, whose sum is σ = 23419994357760. Its totient is φ = 1818016358400.

The previous prime is 6604020315637. The next prime is 6604020315667. The reversal of 6604020315648 is 8465130204066.

6604020315648 is a `hidden beast` number, since 6 + 60 + 4 + 0 + 20 + 3 + 1 + 564 + 8 = 666.

It is a super-3 number, since 3×6604020315648³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 8936427663 + ... + 8936428401.

It is an arithmetic number, because the mean of its divisors is an integer number (24395827456).

Almost surely, 2^{6604020315648} 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 6604020315648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11709997178880).

6604020315648 is an abundant number, since it is smaller than the sum of its proper divisors (16815974042112).

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

6604020315648 is an equidigital number, since it uses as much as digits as its factorization.

6604020315648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 6604020315648 in words is "six trillion, six hundred four billion, twenty million, three hundred fifteen thousand, six hundred forty-eight".