1116018618 has 128 divisors (see below), whose sum is σ = 2923361280. Its totient is φ = 278277120.

The previous prime is 1116018559. The next prime is 1116018641. The reversal of 1116018618 is 8168106111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 275121 + ... + 279147.

It is an arithmetic number, because the mean of its divisors is an integer number (22838760).

Almost surely, 2^1116018618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116018618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461680640).

1116018618 is an abundant number, since it is smaller than the sum of its proper divisors (1807342662).

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

1116018618 is a wasteful number, since it uses less digits than its factorization.

1116018618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092.

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 1116018618 is about 33406.8648334440. The cubic root of 1116018618 is about 1037.2668056341.

The spelling of 1116018618 in words is "one billion, one hundred sixteen million, eighteen thousand, six hundred eighteen".