6842118618 has 24 divisors (see below), whose sum is σ = 14836980756. Its totient is φ = 2278800000.

The previous prime is 6842118589. The next prime is 6842118623. The reversal of 6842118618 is 8168112486.

6842118618 is a `hidden beast` number, since 6 + 8 + 4 + 21 + 1 + 8 + 618 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6267413889 + 574704729 = 79167^2 + 23973^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136633 + ... + 179868.

Almost surely, 2^6842118618 is an apocalyptic number.

6842118618 is an abundant number, since it is smaller than the sum of its proper divisors (7994862138).

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

6842118618 is a wasteful number, since it uses less digits than its factorization.

6842118618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317710 (or 317707 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 6842118618 is about 82717.0999128959. The cubic root of 6842118618 is about 1898.4399584060.

The spelling of 6842118618 in words is "six billion, eight hundred forty-two million, one hundred eighteen thousand, six hundred eighteen".