5621168 has 40 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 2329920.

The previous prime is 5621159. The next prime is 5621173. The reversal of 5621168 is 8611265.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5621168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2663 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (321408).

Almost surely, 2^5621168 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 5621168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6428160).

5621168 is an abundant number, since it is smaller than the sum of its proper divisors (7235152).

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

5621168 is a wasteful number, since it uses less digits than its factorization.

5621168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1659 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 5621168 is about 2370.9002509595. The cubic root of 5621168 is about 177.8042708202.

The spelling of 5621168 in words is "five million, six hundred twenty-one thousand, one hundred sixty-eight".