6630643100 has 18 divisors (see below), whose sum is σ = 14388495744. Its totient is φ = 2652257200.

The previous prime is 6630643073. The next prime is 6630643133. The reversal of 6630643100 is 13460366.

It is a super-2 number, since 2×6630643100² = 87930855839155220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33153116 + ... + 33153315.

Almost surely, 2^6630643100 is an apocalyptic number.

It is an amenable number.

6630643100 is an abundant number, since it is smaller than the sum of its proper divisors (7757852644).

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

6630643100 is a wasteful number, since it uses less digits than its factorization.

6630643100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66306445 (or 66306438 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 6630643100 is about 81428.7608895039. The cubic root of 6630643100 is about 1878.6759860540.

The spelling of 6630643100 in words is "six billion, six hundred thirty million, six hundred forty-three thousand, one hundred".