6606648 has 48 divisors (see below), whose sum is σ = 18111600. Its totient is φ = 2175360.

The previous prime is 6606647. The next prime is 6606653. The reversal of 6606648 is 8466066.

6606648 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5893 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (377325).

Almost surely, 2^6606648 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 6606648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9055800).

6606648 is an abundant number, since it is smaller than the sum of its proper divisors (11504952).

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

6606648 is a wasteful number, since it uses less digits than its factorization.

6606648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6606648 is about 2570.3400553234. The cubic root of 6606648 is about 187.6407050514.

The spelling of 6606648 in words is "six million, six hundred six thousand, six hundred forty-eight".