16689054 has 16 divisors (see below), whose sum is σ = 33435792. Its totient is φ = 5553408.

The previous prime is 16688999. The next prime is 16689061. The reversal of 16689054 is 45098661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (2089737).

Almost surely, 2^16689054 is an apocalyptic number.

16689054 is an abundant number, since it is smaller than the sum of its proper divisors (16746738).

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

16689054 is a wasteful number, since it uses less digits than its factorization.

16689054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 16689054 is about 4085.2238616751. The cubic root of 16689054 is about 255.5507971249.

The spelling of 16689054 in words is "sixteen million, six hundred eighty-nine thousand, fifty-four".