6620528847328 has 96 divisors (see below), whose sum is σ = 14679035384832. Its totient is φ = 2912005171200.

The previous prime is 6620528847299. The next prime is 6620528847377. The reversal of 6620528847328 is 8237488250266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189774975 + ... + 189809857.

It is an arithmetic number, because the mean of its divisors is an integer number (152906618592).

Almost surely, 2^{6620528847328} 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 6620528847328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7339517692416).

6620528847328 is an abundant number, since it is smaller than the sum of its proper divisors (8058506537504).

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

6620528847328 is a wasteful number, since it uses less digits than its factorization.

6620528847328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52328 (or 52320 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 6620528847328 in words is "six trillion, six hundred twenty billion, five hundred twenty-eight million, eight hundred forty-seven thousand, three hundred twenty-eight".