6853786216 has 16 divisors (see below), whose sum is σ = 12851943300. Its totient is φ = 3426601344.

The previous prime is 6853786201. The next prime is 6853786223. The reversal of 6853786216 is 6126873586.

It can be written as a sum of positive squares in 2 ways, for example, as 6552902500 + 300883716 = 80950^2 + 17346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88590 + ... + 146818.

Almost surely, 2^6853786216 is an apocalyptic number.

It is an amenable number.

6853786216 is a deficient number, since it is larger than the sum of its proper divisors (5998157084).

6853786216 is a wasteful number, since it uses less digits than its factorization.

6853786216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72948 (or 72944 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 6853786216 is about 82787.5969937526. The cubic root of 6853786216 is about 1899.5184574679.

The spelling of 6853786216 in words is "six billion, eight hundred fifty-three million, seven hundred eighty-six thousand, two hundred sixteen".