2168064 has 54 divisors (see below), whose sum is σ = 6257706. Its totient is φ = 721920.

The previous prime is 2168059. The next prime is 2168081. The reversal of 2168064 is 4608612.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 230400 = 1392^2 + 480^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1834 + ... + 2774.

2^2168064 is an apocalyptic number.

2168064 is a gapful number since it is divisible by the number (24) 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 2168064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128853).

2168064 is an abundant number, since it is smaller than the sum of its proper divisors (4089642).

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

2168064 is an equidigital number, since it uses as much as digits as its factorization.

2168064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2168064 is about 1472.4347184171. The cubic root of 2168064 is about 129.4267460861.

The spelling of 2168064 in words is "two million, one hundred sixty-eight thousand, sixty-four".