2016648 has 48 divisors (see below), whose sum is σ = 5616780. Its totient is φ = 653184.

The previous prime is 2016607. The next prime is 2016653. The reversal of 2016648 is 8466102.

2016648 is a `hidden beast` number, since 2 + 0 + 16 + 648 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 161604 = 1362^2 + 402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2286 + ... + 3042.

2^2016648 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 2016648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808390).

2016648 is an abundant number, since it is smaller than the sum of its proper divisors (3600132).

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

2016648 is a wasteful number, since it uses less digits than its factorization.

2016648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 799 counting only the distinct ones).

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

The square root of 2016648 is about 1420.0873212588. The cubic root of 2016648 is about 126.3407255595.

The spelling of 2016648 in words is "two million, sixteen thousand, six hundred forty-eight".