5668668 has 36 divisors (see below), whose sum is σ = 14604408. Its totient is φ = 1853280.

The previous prime is 5668639. The next prime is 5668673. The reversal of 5668668 is 8668665.

5668668 is a `hidden beast` number, since 566 + 86 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 423 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (405678).

Almost surely, 2^5668668 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 5668668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7302204).

5668668 is an abundant number, since it is smaller than the sum of its proper divisors (8935740).

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

5668668 is a wasteful number, since it uses less digits than its factorization.

5668668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034 (or 3029 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 5668668 is about 2380.8964698197. The cubic root of 5668668 is about 178.3036939901.

It can be divided in two parts, 5668 and 668, that added together give a palindrome (6336).

The spelling of 5668668 in words is "five million, six hundred sixty-eight thousand, six hundred sixty-eight".