16128448 has 84 divisors (see below), whose sum is σ = 38511480. Its totient is φ = 6676992.

The previous prime is 16128439. The next prime is 16128449. The reversal of 16128448 is 84482161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16128449) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 115963 + ... + 116101.

It is an arithmetic number, because the mean of its divisors is an integer number (458470).

Almost surely, 2^16128448 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 16128448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19255740).

16128448 is an abundant number, since it is smaller than the sum of its proper divisors (22383032).

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

16128448 is a wasteful number, since it uses less digits than its factorization.

16128448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 185 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 16128448 is about 4016.0239043113. The cubic root of 16128448 is about 252.6567232770.

It can be divided in two parts, 16128 and 448, that multiplied together give a square (7225344 = 2688²).

The spelling of 16128448 in words is "sixteen million, one hundred twenty-eight thousand, four hundred forty-eight".