6855170618 has 8 divisors (see below), whose sum is σ = 10501538112. Its totient is φ = 3354657916.

The previous prime is 6855170617. The next prime is 6855170681. The reversal of 6855170618 is 8160715586.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (6855170617) 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, 36463580 + ... + 36463767.

It is an arithmetic number, because the mean of its divisors is an integer number (1312692264).

Almost surely, 2^6855170618 is an apocalyptic number.

6855170618 is a deficient number, since it is larger than the sum of its proper divisors (3646367494).

6855170618 is a wasteful number, since it uses less digits than its factorization.

6855170618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72927396.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 6855170618 is about 82795.9577394935. The cubic root of 6855170618 is about 1899.6463439640.

The spelling of 6855170618 in words is "six billion, eight hundred fifty-five million, one hundred seventy thousand, six hundred eighteen".