16691214 has 16 divisors (see below), whose sum is σ = 33427152. Its totient is φ = 5556288.

The previous prime is 16691197. The next prime is 16691221. The reversal of 16691214 is 41219661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4852 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (2089197).

Almost surely, 2^16691214 is an apocalyptic number.

16691214 is an abundant number, since it is smaller than the sum of its proper divisors (16735938).

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

16691214 is a wasteful number, since it uses less digits than its factorization.

16691214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 2592, while the sum is 30.

The square root of 16691214 is about 4085.4882205191. The cubic root of 16691214 is about 255.5618216345.

The spelling of 16691214 in words is "sixteen million, six hundred ninety-one thousand, two hundred fourteen".