6556606 has 16 divisors (see below), whose sum is σ = 11288160. Its totient is φ = 2797920.

The previous prime is 6556603. The next prime is 6556607. The reversal of 6556606 is 6066556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556601) 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, 2896 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (705510).

Almost surely, 2^6556606 is an apocalyptic number.

6556606 is a deficient number, since it is larger than the sum of its proper divisors (4731554).

6556606 is a wasteful number, since it uses less digits than its factorization.

6556606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 6556606 is about 2560.5870420667. The cubic root of 6556606 is about 187.1657428426.

The spelling of 6556606 in words is "six million, five hundred fifty-six thousand, six hundred six".