6606561 has 8 divisors (see below), whose sum is σ = 9486400. Its totient is φ = 4065552.

The previous prime is 6606541. The next prime is 6606581. The reversal of 6606561 is 1656066.

6606561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6606541) and next prime (6606581).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6606561 - 2¹⁵ = 6573793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6606521) 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, 84661 + ... + 84738.

It is an arithmetic number, because the mean of its divisors is an integer number (1185800).

Almost surely, 2^6606561 is an apocalyptic number.

It is an amenable number.

6606561 is a deficient number, since it is larger than the sum of its proper divisors (2879839).

6606561 is a wasteful number, since it uses less digits than its factorization.

6606561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169415.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6606561 is about 2570.3231314370. The cubic root of 6606561 is about 187.6398813955.

The spelling of 6606561 in words is "six million, six hundred six thousand, five hundred sixty-one".