2184118656 has 96 divisors (see below), whose sum is σ = 6163221480. Its totient is φ = 685178880.

The previous prime is 2184118649. The next prime is 2184118679. The reversal of 2184118656 is 6568114812.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101136 + ... + 120816.

Almost surely, 2^2184118656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2184118656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3081610740).

2184118656 is an abundant number, since it is smaller than the sum of its proper divisors (3979102824).

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

2184118656 is a wasteful number, since it uses less digits than its factorization.

2184118656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732 (or 19703 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 2184118656 is about 46734.5552669542. Note that the first 3 decimals coincide. The cubic root of 2184118656 is about 1297.4543192474.

The spelling of 2184118656 in words is "two billion, one hundred eighty-four million, one hundred eighteen thousand, six hundred fifty-six".