6383311668 has 72 divisors (see below), whose sum is σ = 17061408000. Its totient is φ = 2006695296.

The previous prime is 6383311651. The next prime is 6383311673. The reversal of 6383311668 is 8661133836.

6383311668 is a `hidden beast` number, since 638 + 3 + 3 + 1 + 1 + 6 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 131608 + ... + 173456.

It is an arithmetic number, because the mean of its divisors is an integer number (236964000).

Almost surely, 2^6383311668 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 6383311668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8530704000).

6383311668 is an abundant number, since it is smaller than the sum of its proper divisors (10678096332).

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

6383311668 is a wasteful number, since it uses less digits than its factorization.

6383311668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42101 (or 42096 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6383311668 is about 79895.6298429395. The cubic root of 6383311668 is about 1855.0203709351.

The spelling of 6383311668 in words is "six billion, three hundred eighty-three million, three hundred eleven thousand, six hundred sixty-eight".