16671343 has 12 divisors (see below), whose sum is σ = 18841680. Its totient is φ = 14716416.

The previous prime is 16671331. The next prime is 16671353. The reversal of 16671343 is 34317661.

It is not a de Polignac number, because 16671343 - 2⁵ = 16671311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16671353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1743 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (1570140).

Almost surely, 2^16671343 is an apocalyptic number.

16671343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16671343 is a deficient number, since it is larger than the sum of its proper divisors (2170337).

16671343 is a wasteful number, since it uses less digits than its factorization.

16671343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4325 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 16671343 is about 4083.0555959967. The cubic root of 16671343 is about 255.4603653528.

The spelling of 16671343 in words is "sixteen million, six hundred seventy-one thousand, three hundred forty-three".