6658271 has 6 divisors (see below), whose sum is σ = 7073280. Its totient is φ = 6266336.

The previous prime is 6658243. The next prime is 6658279. The reversal of 6658271 is 1728566.

It is a de Polignac number, because none of the positive numbers 2^k-6658271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11231 + ... + 11808.

It is an arithmetic number, because the mean of its divisors is an integer number (1178880).

Almost surely, 2^6658271 is an apocalyptic number.

6658271 is a deficient number, since it is larger than the sum of its proper divisors (415009).

6658271 is a wasteful number, since it uses less digits than its factorization.

6658271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073 (or 23056 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 6658271 is about 2580.3625714229. The cubic root of 6658271 is about 188.1281663393.

The spelling of 6658271 in words is "six million, six hundred fifty-eight thousand, two hundred seventy-one".