6655171 has 4 divisors (see below), whose sum is σ = 6663592. Its totient is φ = 6646752.

The previous prime is 6655169. The next prime is 6655199. The reversal of 6655171 is 1715566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6655171 - 2¹ = 6655169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6652171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (1665898).

Almost surely, 2^6655171 is an apocalyptic number.

6655171 is a deficient number, since it is larger than the sum of its proper divisors (8421).

6655171 is an equidigital number, since it uses as much as digits as its factorization.

6655171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420.

The product of its digits is 6300, while the sum is 31.

The square root of 6655171 is about 2579.7618107104. The cubic root of 6655171 is about 188.0989651724.

The spelling of 6655171 in words is "six million, six hundred fifty-five thousand, one hundred seventy-one".