2111160618 has 128 divisors (see below), whose sum is σ = 5577408000. Its totient is φ = 579845952.

The previous prime is 2111160613. The next prime is 2111160683. The reversal of 2111160618 is 8160611112.

2111160618 is a `hidden beast` number, since 21 + 11 + 16 + 0 + 618 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2111160591 and 2111160600.

It is not an unprimeable number, because it can be changed into a prime (2111160613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9218928 + ... + 9219156.

It is an arithmetic number, because the mean of its divisors is an integer number (43573500).

Almost surely, 2^2111160618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111160618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2788704000).

2111160618 is an abundant number, since it is smaller than the sum of its proper divisors (3466247382).

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

2111160618 is an equidigital number, since it uses as much as digits as its factorization.

2111160618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 2111160618 is about 45947.3679115572. The cubic root of 2111160618 is about 1282.8437381008.

The spelling of 2111160618 in words is "two billion, one hundred eleven million, one hundred sixty thousand, six hundred eighteen".