6642112 has 28 divisors (see below), whose sum is σ = 13385800. Its totient is φ = 3269376.

The previous prime is 6642109. The next prime is 6642127. The reversal of 6642112 is 2112466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514 + ... + 5062.

Almost surely, 2^6642112 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 6642112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6692900).

6642112 is an abundant number, since it is smaller than the sum of its proper divisors (6743688).

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

6642112 is a wasteful number, since it uses less digits than its factorization.

6642112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1618 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 6642112 is about 2577.2295202407. The cubic root of 6642112 is about 187.9758532440.

Adding to 6642112 its reverse (2112466), we get a palindrome (8754578).

The spelling of 6642112 in words is "six million, six hundred forty-two thousand, one hundred twelve".