16089450 has 96 divisors (see below), whose sum is σ = 44330496. Its totient is φ = 3836160.

The previous prime is 16089449. The next prime is 16089457. The reversal of 16089450 is 5498061.

16089450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16089457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72039 + ... + 72261.

It is an arithmetic number, because the mean of its divisors is an integer number (461776).

Almost surely, 2^16089450 is an apocalyptic number.

16089450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16089450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22165248).

16089450 is an abundant number, since it is smaller than the sum of its proper divisors (28241046).

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

16089450 is a wasteful number, since it uses less digits than its factorization.

16089450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 16089450 is about 4011.1656659879. The cubic root of 16089450 is about 252.4529206738.

The spelling of 16089450 in words is "sixteen million, eighty-nine thousand, four hundred fifty".