16944171 has 4 divisors (see below), whose sum is σ = 22592232. Its totient is φ = 11296112.

The previous prime is 16944133. The next prime is 16944203. The reversal of 16944171 is 17144961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17144961 = 3 ⋅5714987.

It is a cyclic number.

It is not a de Polignac number, because 16944171 - 2⁷ = 16944043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16944071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824026 + ... + 2824031.

It is an arithmetic number, because the mean of its divisors is an integer number (5648058).

Almost surely, 2^16944171 is an apocalyptic number.

16944171 is a deficient number, since it is larger than the sum of its proper divisors (5648061).

16944171 is an equidigital number, since it uses as much as digits as its factorization.

16944171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648060.

The product of its digits is 6048, while the sum is 33.

The square root of 16944171 is about 4116.3297972830. The cubic root of 16944171 is about 256.8463757094.

The spelling of 16944171 in words is "sixteen million, nine hundred forty-four thousand, one hundred seventy-one".