5668218 has 48 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 1854576.

The previous prime is 5668211. The next prime is 5668237. The reversal of 5668218 is 8128665.

It is a happy number.

5668218 is a `hidden beast` number, since 566 + 82 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (5668211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51948 + ... + 52056.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^5668218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5668218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486480).

5668218 is an abundant number, since it is smaller than the sum of its proper divisors (7304742).

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

5668218 is a wasteful number, since it uses less digits than its factorization.

5668218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 221 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 5668218 is about 2380.8019657250. The cubic root of 5668218 is about 178.2989757279.

It can be divided in two parts, 5668 and 218, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5668218 in words is "five million, six hundred sixty-eight thousand, two hundred eighteen".