1848531618 has 96 divisors (see below), whose sum is σ = 4517420544. Its totient is φ = 564164352.

The previous prime is 1848531613. The next prime is 1848531649. The reversal of 1848531618 is 8161358481.

1848531618 is a `hidden beast` number, since 1 + 8 + 485 + 3 + 161 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1848531611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302671 + ... + 308717.

It is an arithmetic number, because the mean of its divisors is an integer number (47056464).

Almost surely, 2^1848531618 is an apocalyptic number.

1848531618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1848531618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258710272).

1848531618 is an abundant number, since it is smaller than the sum of its proper divisors (2668888926).

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

1848531618 is a wasteful number, since it uses less digits than its factorization.

1848531618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118 (or 6106 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 1848531618 is about 42994.5533527213. The cubic root of 1848531618 is about 1227.2761497278.

The spelling of 1848531618 in words is "one billion, eight hundred forty-eight million, five hundred thirty-one thousand, six hundred eighteen".