6606328680 has 256 divisors, whose sum is σ = 25401024000. Its totient is φ = 1495977984.

The previous prime is 6606328679. The next prime is 6606328681. The reversal of 6606328680 is 868236066.

6606328680 is a `hidden beast` number, since 6 + 6 + 0 + 632 + 8 + 6 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6606328679) and next prime (6606328681).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6606328681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 820032 + ... + 828048.

It is an arithmetic number, because the mean of its divisors is an integer number (99222750).

Almost surely, 2^6606328680 is an apocalyptic number.

6606328680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606328680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700512000).

6606328680 is an abundant number, since it is smaller than the sum of its proper divisors (18794695320).

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

6606328680 is a wasteful number, since it uses less digits than its factorization.

6606328680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153 (or 8143 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 6606328680 is about 81279.3250464102. The cubic root of 6606328680 is about 1876.3768191494.

The spelling of 6606328680 in words is "six billion, six hundred six million, three hundred twenty-eight thousand, six hundred eighty".