6630360520 has 96 divisors (see below), whose sum is σ = 17399708280. Its totient is φ = 2267274240.

The previous prime is 6630360491. The next prime is 6630360559. The reversal of 6630360520 is 250630366.

It can be written as a sum of positive squares in 4 ways, for example, as 5696324676 + 934035844 = 75474^2 + 30562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773860 + ... + 782380.

Almost surely, 2^6630360520 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 6630360520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8699854140).

6630360520 is an abundant number, since it is smaller than the sum of its proper divisors (10769347760).

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

6630360520 is a wasteful number, since it uses less digits than its factorization.

6630360520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943 (or 8932 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 6630360520 is about 81427.0257347031. The cubic root of 6630360520 is about 1878.6492976522.

Adding to 6630360520 its reverse (250630366), we get a palindrome (6880990886).

The spelling of 6630360520 in words is "six billion, six hundred thirty million, three hundred sixty thousand, five hundred twenty".