16339871 has 4 divisors (see below), whose sum is σ = 16719912. Its totient is φ = 15959832.

The previous prime is 16339811. The next prime is 16339877. The reversal of 16339871 is 17893361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17893361 = 89 ⋅201049.

It is a cyclic number.

It is not a de Polignac number, because 16339871 - 2¹⁴ = 16323487 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 (16339877) 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, 189956 + ... + 190041.

It is an arithmetic number, because the mean of its divisors is an integer number (4179978).

Almost surely, 2^16339871 is an apocalyptic number.

16339871 is a deficient number, since it is larger than the sum of its proper divisors (380041).

16339871 is an equidigital number, since it uses as much as digits as its factorization.

16339871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380040.

The product of its digits is 27216, while the sum is 38.

The square root of 16339871 is about 4042.2606298951. The cubic root of 16339871 is about 253.7559345680.

The spelling of 16339871 in words is "sixteen million, three hundred thirty-nine thousand, eight hundred seventy-one".