16089425 has 24 divisors (see below), whose sum is σ = 22311072. Its totient is φ = 11408000.

The previous prime is 16089407. The next prime is 16089427. The reversal of 16089425 is 52498061.

It is a de Polignac number, because none of the positive numbers 2^k-16089425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16089427) 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 23 ways as a sum of consecutive naturals, for example, 10562 + ... + 11988.

It is an arithmetic number, because the mean of its divisors is an integer number (929628).

Almost surely, 2^16089425 is an apocalyptic number.

It is an amenable number.

16089425 is a deficient number, since it is larger than the sum of its proper divisors (6221647).

16089425 is a wasteful number, since it uses less digits than its factorization.

16089425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16089425 is about 4011.1625496856. The cubic root of 16089425 is about 252.4527899189.

The spelling of 16089425 in words is "sixteen million, eighty-nine thousand, four hundred twenty-five".