6858312186 has 96 divisors (see below), whose sum is σ = 15402651264. Its totient is φ = 2033856000.

The previous prime is 6858312173. The next prime is 6858312191. The reversal of 6858312186 is 6812138586.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 8002270 + ... + 8003126.

It is an arithmetic number, because the mean of its divisors is an integer number (160444284).

Almost surely, 2^6858312186 is an apocalyptic number.

6858312186 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6858312186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7701325632).

6858312186 is an abundant number, since it is smaller than the sum of its proper divisors (8544339078).

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

6858312186 is a wasteful number, since it uses less digits than its factorization.

6858312186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1097 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 6858312186 is about 82814.9273138605. The cubic root of 6858312186 is about 1899.9364878123.

The spelling of 6858312186 in words is "six billion, eight hundred fifty-eight million, three hundred twelve thousand, one hundred eighty-six".