6630628648 has 48 divisors (see below), whose sum is σ = 14558119200. Its totient is φ = 2822853600.

The previous prime is 6630628639. The next prime is 6630628663. The reversal of 6630628648 is 8468260366.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3183 + ... + 115201.

It is an arithmetic number, because the mean of its divisors is an integer number (303294150).

Almost surely, 2^6630628648 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 6630628648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7279059600).

6630628648 is an abundant number, since it is smaller than the sum of its proper divisors (7927490552).

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

6630628648 is a wasteful number, since it uses less digits than its factorization.

6630628648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112190 (or 112179 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 6630628648 is about 81428.6721493111. The cubic root of 6630628648 is about 1878.6746211465.

The spelling of 6630628648 in words is "six billion, six hundred thirty million, six hundred twenty-eight thousand, six hundred forty-eight".