6600600000 has 504 divisors, whose sum is σ = 25021367280. Its totient is φ = 1658880000.

The previous prime is 6600599933. The next prime is 6600600001. The reversal of 6600600000 is 60066.

6600600000 is a `hidden beast` number, since 6 + 60 + 0 + 600 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600600001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34199904 + ... + 34200096.

It is an arithmetic number, because the mean of its divisors is an integer number (49645570).

Almost surely, 2^6600600000 is an apocalyptic number.

6600600000 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 6600600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12510683640).

6600600000 is an abundant number, since it is smaller than the sum of its proper divisors (18420767280).

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

6600600000 is a wasteful number, since it uses less digits than its factorization.

6600600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 6600600000 is about 81244.0767071668. The cubic root of 6600600000 is about 1875.8342953856.

Adding to 6600600000 its reverse (60066), we get a palindrome (6600660066).

The spelling of 6600600000 in words is "six billion, six hundred million, six hundred thousand".