16997288 has 64 divisors (see below), whose sum is σ = 40763520. Its totient is φ = 6451200.

The previous prime is 16997273. The next prime is 16997293. The reversal of 16997288 is 88279961.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24920 + ... + 25592.

It is an arithmetic number, because the mean of its divisors is an integer number (636930).

Almost surely, 2^16997288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16997288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20381760).

16997288 is an abundant number, since it is smaller than the sum of its proper divisors (23766232).

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

16997288 is a wasteful number, since it uses less digits than its factorization.

16997288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 734 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 16997288 is about 4122.7767341926. The cubic root of 16997288 is about 257.1144851707.

The spelling of 16997288 in words is "sixteen million, nine hundred ninety-seven thousand, two hundred eighty-eight".