6628185536 has 56 divisors (see below), whose sum is σ = 15056242176. Its totient is φ = 2836028160.

The previous prime is 6628185523. The next prime is 6628185589. The reversal of 6628185536 is 6355818266.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270965 + ... + 294411.

Almost surely, 2^6628185536 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 6628185536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7528121088).

6628185536 is an abundant number, since it is smaller than the sum of its proper divisors (8428056640).

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

6628185536 is a wasteful number, since it uses less digits than its factorization.

6628185536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24097 (or 24087 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 6628185536 is about 81413.6692208378. The cubic root of 6628185536 is about 1878.4438548753.

The spelling of 6628185536 in words is "six billion, six hundred twenty-eight million, one hundred eighty-five thousand, five hundred thirty-six".