6604056 has 72 divisors (see below), whose sum is σ = 18656820. Its totient is φ = 2109888.

The previous prime is 6604049. The next prime is 6604057. The reversal of 6604056 is 6504066.

6604056 is a `hidden beast` number, since 6 + 604 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×6604056² = 87227111302272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98535 + ... + 98601.

Almost surely, 2^6604056 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 6604056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9328410).

6604056 is an abundant number, since it is smaller than the sum of its proper divisors (12052764).

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

6604056 is a wasteful number, since it uses less digits than its factorization.

6604056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6604056 is about 2569.8357924194. The cubic root of 6604056 is about 187.6161626850.

The spelling of 6604056 in words is "six million, six hundred four thousand, fifty-six".