6608581 has 8 divisors (see below), whose sum is σ = 7707200. Its totient is φ = 5664204.

The previous prime is 6608573. The next prime is 6608603. The reversal of 6608581 is 1858066.

It is a happy number.

6608581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6608581 - 2³ = 6608573 is a prime.

It is a super-2 number, since 2×6608581² = 87346685667122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6608281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9291 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (963400).

Almost surely, 2^6608581 is an apocalyptic number.

It is an amenable number.

6608581 is a deficient number, since it is larger than the sum of its proper divisors (1098619).

6608581 is an equidigital number, since it uses as much as digits as its factorization.

6608581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19288 (or 19274 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 6608581 is about 2570.7160481080. The cubic root of 6608581 is about 187.6590034943.

It can be divided in two parts, 66085 and 81, that added together give a palindrome (66166).

The spelling of 6608581 in words is "six million, six hundred eight thousand, five hundred eighty-one".