16089568 has 48 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 7136640.

The previous prime is 16089559. The next prime is 16089569. The reversal of 16089568 is 86598061.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16089569) 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 7 ways as a sum of consecutive naturals, for example, 14605 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^16089568 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 16089568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17696448).

16089568 is an abundant number, since it is smaller than the sum of its proper divisors (19303328).

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

16089568 is a wasteful number, since it uses less digits than its factorization.

16089568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 16089568 is about 4011.1803749021. The cubic root of 16089568 is about 252.4535378354.

The spelling of 16089568 in words is "sixteen million, eighty-nine thousand, five hundred sixty-eight".