2318466618 has 64 divisors (see below), whose sum is σ = 5589198720. Its totient is φ = 708137856.

The previous prime is 2318466599. The next prime is 2318466649. The reversal of 2318466618 is 8166648132.

2318466618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84121 + ... + 108227.

It is an arithmetic number, because the mean of its divisors is an integer number (87331230).

Almost surely, 2^2318466618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2318466618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794599360).

2318466618 is an abundant number, since it is smaller than the sum of its proper divisors (3270732102).

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

2318466618 is a wasteful number, since it uses less digits than its factorization.

2318466618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24268 (or 24262 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2318466618 is about 48150.4581286617. The cubic root of 2318466618 is about 1323.5294696387.

The spelling of 2318466618 in words is "two billion, three hundred eighteen million, four hundred sixty-six thousand, six hundred eighteen".