16871105 has 8 divisors (see below), whose sum is σ = 20321664. Its totient is φ = 13446000.

The previous prime is 16871087. The next prime is 16871111. The reversal of 16871105 is 50117861.

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

It is not a de Polignac number, because 16871105 - 2²² = 12676801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (2540208).

Almost surely, 2^16871105 is an apocalyptic number.

It is an amenable number.

16871105 is a deficient number, since it is larger than the sum of its proper divisors (3450559).

16871105 is a wasteful number, since it uses less digits than its factorization.

16871105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 16871105 is about 4107.4450696266. The cubic root of 16871105 is about 256.4766560939.

Adding to 16871105 its reverse (50117861), we get a palindrome (66988966).

Subtracting 16871105 from its reverse (50117861), we obtain a square (33246756 = 5766²).

The spelling of 16871105 in words is "sixteen million, eight hundred seventy-one thousand, one hundred five".