6630200660 has 12 divisors (see below), whose sum is σ = 13923421428. Its totient is φ = 2652080256.

The previous prime is 6630200641. The next prime is 6630200663. The reversal of 6630200660 is 660020366.

It can be written as a sum of positive squares in 2 ways, for example, as 4984924816 + 1645275844 = 70604^2 + 40562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630200663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165754997 + ... + 165755036.

It is an arithmetic number, because the mean of its divisors is an integer number (1160285119).

Almost surely, 2^6630200660 is an apocalyptic number.

It is an amenable number.

6630200660 is an abundant number, since it is smaller than the sum of its proper divisors (7293220768).

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

6630200660 is a wasteful number, since it uses less digits than its factorization.

6630200660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331510042 (or 331510040 counting only the distinct ones).

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

The square root of 6630200660 is about 81426.0441136618. The cubic root of 6630200660 is about 1878.6341992631.

The spelling of 6630200660 in words is "six billion, six hundred thirty million, two hundred thousand, six hundred sixty".