16085789 has 4 divisors (see below), whose sum is σ = 16109760. Its totient is φ = 16061820.

The previous prime is 16085777. The next prime is 16085803. The reversal of 16085789 is 98758061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98758061 = 1433 ⋅68917.

It is a cyclic number.

It is not a de Polignac number, because 16085789 - 2¹² = 16081693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16085389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10949 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (4027440).

Almost surely, 2^16085789 is an apocalyptic number.

It is an amenable number.

16085789 is a deficient number, since it is larger than the sum of its proper divisors (23971).

16085789 is an equidigital number, since it uses as much as digits as its factorization.

16085789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23970.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 16085789 is about 4010.7092888914. The cubic root of 16085789 is about 252.4337714746.

The spelling of 16085789 in words is "sixteen million, eighty-five thousand, seven hundred eighty-nine".