16674271 has 4 divisors (see below), whose sum is σ = 16696944. Its totient is φ = 16651600.

The previous prime is 16674269. The next prime is 16674283. The reversal of 16674271 is 17247661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17247661 = 37 ⋅466153.

It is a cyclic number.

It is not a de Polignac number, because 16674271 - 2¹ = 16674269 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 (16674221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10195 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (4174236).

Almost surely, 2^16674271 is an apocalyptic number.

16674271 is a deficient number, since it is larger than the sum of its proper divisors (22673).

16674271 is an equidigital number, since it uses as much as digits as its factorization.

16674271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672.

The product of its digits is 14112, while the sum is 34.

The square root of 16674271 is about 4083.4141352550. The cubic root of 16674271 is about 255.4753200401.

The spelling of 16674271 in words is "sixteen million, six hundred seventy-four thousand, two hundred seventy-one".