16689414 has 32 divisors (see below), whose sum is σ = 38405376. Its totient is φ = 4736160.

The previous prime is 16689401. The next prime is 16689437. The reversal of 16689414 is 41498661.

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 15 ways as a sum of consecutive naturals, for example, 5329 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1200168).

Almost surely, 2^16689414 is an apocalyptic number.

16689414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16689414 is an abundant number, since it is smaller than the sum of its proper divisors (21715962).

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

16689414 is a wasteful number, since it uses less digits than its factorization.

16689414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its digits is 41472, while the sum is 39.

The square root of 16689414 is about 4085.2679226704. The cubic root of 16689414 is about 255.5526346092.

The spelling of 16689414 in words is "sixteen million, six hundred eighty-nine thousand, four hundred fourteen".