6856542196 has 12 divisors (see below), whose sum is σ = 13713084448. Its totient is φ = 2938518072.

The previous prime is 6856542193. The next prime is 6856542223. The reversal of 6856542196 is 6912456586.

6856542196 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856542193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122438226 + ... + 122438281.

Almost surely, 2^6856542196 is an apocalyptic number.

It is an amenable number.

6856542196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6856542196 is a wasteful number, since it uses less digits than its factorization.

6856542196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244876518 (or 244876516 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The square root of 6856542196 is about 82804.2402054388. The cubic root of 6856542196 is about 1899.7730288431.

It can be divided in two parts, 685654219 and 6, that added together give a square (685654225 = 26185²).

The spelling of 6856542196 in words is "six billion, eight hundred fifty-six million, five hundred forty-two thousand, one hundred ninety-six".