6831873816 has 128 divisors (see below), whose sum is σ = 18179665920. Its totient is φ = 2135067264.

The previous prime is 6831873761. The next prime is 6831873817. The reversal of 6831873816 is 6183781386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6831873817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6083031 + ... + 6084153.

It is an arithmetic number, because the mean of its divisors is an integer number (142028640).

Almost surely, 2^6831873816 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 6831873816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9089832960).

6831873816 is an abundant number, since it is smaller than the sum of its proper divisors (11347792104).

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

6831873816 is a wasteful number, since it uses less digits than its factorization.

6831873816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1361 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 6831873816 is about 82655.1499665931. The cubic root of 6831873816 is about 1897.4919646723.

The spelling of 6831873816 in words is "six billion, eight hundred thirty-one million, eight hundred seventy-three thousand, eight hundred sixteen".