16871345 has 8 divisors (see below), whose sum is σ = 20589120. Its totient is φ = 13268080.

The previous prime is 16871341. The next prime is 16871353. The reversal of 16871345 is 54317861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16871345 - 2² = 16871341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16871341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28301 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (2573640).

Almost surely, 2^16871345 is an apocalyptic number.

It is an amenable number.

16871345 is a deficient number, since it is larger than the sum of its proper divisors (3717775).

16871345 is an equidigital number, since it uses as much as digits as its factorization.

16871345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57255.

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

The square root of 16871345 is about 4107.4742847643. The cubic root of 16871345 is about 256.4778722582.

The spelling of 16871345 in words is "sixteen million, eight hundred seventy-one thousand, three hundred forty-five".