6669831168 has 704 divisors, whose sum is σ = 26631306240. Its totient is φ = 1592524800.

The previous prime is 6669831151. The next prime is 6669831199. The reversal of 6669831168 is 8611389666.

It is a tau number, because it is divible by the number of its divisors (704).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27675528 + ... + 27675768.

It is an arithmetic number, because the mean of its divisors is an integer number (37828560).

Almost surely, 2^6669831168 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 6669831168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13315653120).

6669831168 is an abundant number, since it is smaller than the sum of its proper divisors (19961475072).

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

6669831168 is a wasteful number, since it uses less digits than its factorization.

6669831168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 277 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 6669831168 is about 81669.0343275834. The cubic root of 6669831168 is about 1882.3698016333.

The spelling of 6669831168 in words is "six billion, six hundred sixty-nine million, eight hundred thirty-one thousand, one hundred sixty-eight".