6683985000 has 640 divisors, whose sum is σ = 28970726400. Its totient is φ = 1386720000.

The previous prime is 6683984999. The next prime is 6683985001. The reversal of 6683985000 is 5893866.

6683985000 is a `hidden beast` number, since 66 + 83 + 9 + 8 + 500 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6683984999) and next prime (6683985001).

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 (6683985001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10394679 + ... + 10395321.

It is an arithmetic number, because the mean of its divisors is an integer number (45266760).

Almost surely, 2^6683985000 is an apocalyptic number.

6683985000 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 6683985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14485363200).

6683985000 is an abundant number, since it is smaller than the sum of its proper divisors (22286741400).

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

6683985000 is a wasteful number, since it uses less digits than its factorization.

6683985000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6683985000 is about 81755.6420071422. The cubic root of 6683985000 is about 1883.7003661583.

The spelling of 6683985000 in words is "six billion, six hundred eighty-three million, nine hundred eighty-five thousand".