16197328 has 80 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 6359040.

The previous prime is 16197319. The next prime is 16197331. The reversal of 16197328 is 82379161.

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, 89398 + ... + 89578.

Almost surely, 2^16197328 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 16197328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752).

16197328 is an abundant number, since it is smaller than the sum of its proper divisors (22800176).

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

16197328 is a wasteful number, since it uses less digits than its factorization.

16197328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 254 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 16197328 is about 4024.5904139428. The cubic root of 16197328 is about 253.0158873930.

The spelling of 16197328 in words is "sixteen million, one hundred ninety-seven thousand, three hundred twenty-eight".