6684385248 has 96 divisors (see below), whose sum is σ = 19787281920. Its totient is φ = 2194853760.

The previous prime is 6684385243. The next prime is 6684385259. The reversal of 6684385248 is 8425834866.

6684385248 is a `hidden beast` number, since 6 + 6 + 84 + 38 + 524 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×6684385248² = 89362012287360043008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6684385194 and 6684385203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684385243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153 + ... + 115623.

It is an arithmetic number, because the mean of its divisors is an integer number (206117520).

Almost surely, 2^6684385248 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 6684385248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9893640960).

6684385248 is an abundant number, since it is smaller than the sum of its proper divisors (13102896672).

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

6684385248 is a wasteful number, since it uses less digits than its factorization.

6684385248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115557 (or 115543 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The square root of 6684385248 is about 81758.0898015603. The cubic root of 6684385248 is about 1883.7379650984.

The spelling of 6684385248 in words is "six billion, six hundred eighty-four million, three hundred eighty-five thousand, two hundred forty-eight".