2168016 has 60 divisors (see below), whose sum is σ = 5910336. Its totient is φ = 684480.

The previous prime is 2168009. The next prime is 2168021. The reversal of 2168016 is 6108612.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46105 + ... + 46151.

2^2168016 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 2168016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2955168).

2168016 is an abundant number, since it is smaller than the sum of its proper divisors (3742320).

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

2168016 is a wasteful number, since it uses less digits than its factorization.

2168016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2168016 is about 1472.4184187927. The cubic root of 2168016 is about 129.4257909283.

The spelling of 2168016 in words is "two million, one hundred sixty-eight thousand, sixteen".