6646552 has 32 divisors (see below), whose sum is σ = 13893120. Its totient is φ = 2955040.

The previous prime is 6646543. The next prime is 6646559. The reversal of 6646552 is 2556466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6646559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (434160).

Almost surely, 2^6646552 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 6646552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6946560).

6646552 is an abundant number, since it is smaller than the sum of its proper divisors (7246568).

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

6646552 is a wasteful number, since it uses less digits than its factorization.

6646552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1667 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 6646552 is about 2578.0907664394. The cubic root of 6646552 is about 188.0177288245.

The spelling of 6646552 in words is "six million, six hundred forty-six thousand, five hundred fifty-two".