5991216 has 80 divisors (see below), whose sum is σ = 19308288. Its totient is φ = 1555200.

The previous prime is 5991187. The next prime is 5991217. The reversal of 5991216 is 6121995.

5991216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5991217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886 + ... + 4506.

Almost surely, 2^5991216 is an apocalyptic number.

5991216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5991216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9654144).

5991216 is an abundant number, since it is smaller than the sum of its proper divisors (13317072).

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

5991216 is a wasteful number, since it uses less digits than its factorization.

5991216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1644 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 5991216 is about 2447.6960595630. The cubic root of 5991216 is about 181.6233404894.

The spelling of 5991216 in words is "five million, nine hundred ninety-one thousand, two hundred sixteen".