6556845 has 16 divisors (see below), whose sum is σ = 10536192. Its totient is φ = 3481920.

The previous prime is 6556831. The next prime is 6556861. The reversal of 6556845 is 5486556.

It is not a de Polignac number, because 6556845 - 2¹⁰ = 6555821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (658512).

Almost surely, 2^6556845 is an apocalyptic number.

It is an amenable number.

6556845 is a deficient number, since it is larger than the sum of its proper divisors (3979347).

6556845 is a wasteful number, since it uses less digits than its factorization.

6556845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its digits is 144000, while the sum is 39.

The square root of 6556845 is about 2560.6337106271. The cubic root of 6556845 is about 187.1680169902.

The spelling of 6556845 in words is "six million, five hundred fifty-six thousand, eight hundred forty-five".