6856116586 has 8 divisors (see below), whose sum is σ = 11219099904. Its totient is φ = 3116416620.

The previous prime is 6856116583. The next prime is 6856116593.

6856116586 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6856116583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155820810 + ... + 155820853.

It is an arithmetic number, because the mean of its divisors is an integer number (1402387488).

Almost surely, 2^6856116586 is an apocalyptic number.

6856116586 is a deficient number, since it is larger than the sum of its proper divisors (4362983318).

6856116586 is a wasteful number, since it uses less digits than its factorization.

6856116586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311641676.

The product of its digits is 2073600, while the sum is 52.

The square root of 6856116586 is about 82801.6701884690. The cubic root of 6856116586 is about 1899.7337194699.

The spelling of 6856116586 in words is "six billion, eight hundred fifty-six million, one hundred sixteen thousand, five hundred eighty-six".