16891112 has 16 divisors (see below), whose sum is σ = 36195360. Its totient is φ = 7239024.

The previous prime is 16891109. The next prime is 16891117. The reversal of 16891112 is 21119861.

It is not an unprimeable number, because it can be changed into a prime (16891117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150758 + ... + 150869.

It is an arithmetic number, because the mean of its divisors is an integer number (2262210).

Almost surely, 2^16891112 is an apocalyptic number.

It is an amenable number.

16891112 is an abundant number, since it is smaller than the sum of its proper divisors (19304248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16891112 is a wasteful number, since it uses less digits than its factorization.

16891112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301640 (or 301636 counting only the distinct ones).

The product of its digits is 864, while the sum is 29.

The square root of 16891112 is about 4109.8798035952. The cubic root of 16891112 is about 256.5779990197.

The spelling of 16891112 in words is "sixteen million, eight hundred ninety-one thousand, one hundred twelve".