16314891 has 16 divisors (see below), whose sum is σ = 22573824. Its totient is φ = 10472544.

The previous prime is 16314853. The next prime is 16314913. The reversal of 16314891 is 19841361.

It is not a de Polignac number, because 16314891 - 2⁷ = 16314763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16314841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10720 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (1410864).

Almost surely, 2^16314891 is an apocalyptic number.

16314891 is a deficient number, since it is larger than the sum of its proper divisors (6258933).

16314891 is a wasteful number, since it uses less digits than its factorization.

16314891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 5184, while the sum is 33.

The square root of 16314891 is about 4039.1695928743. The cubic root of 16314891 is about 253.6265566351.

It can be divided in two parts, 16314 and 891, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16314891 in words is "sixteen million, three hundred fourteen thousand, eight hundred ninety-one".