16065889 has 8 divisors (see below), whose sum is σ = 18391680. Its totient is φ = 13747776.

The previous prime is 16065883. The next prime is 16065893. The reversal of 16065889 is 98856061.

16065889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16065889 - 2⁹ = 16065377 is a prime.

It is a super-2 number, since 2×16065889² = 516225578720642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16065883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (2298960).

Almost surely, 2^16065889 is an apocalyptic number.

It is an amenable number.

16065889 is a deficient number, since it is larger than the sum of its proper divisors (2325791).

16065889 is an equidigital number, since it uses as much as digits as its factorization.

16065889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

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

The square root of 16065889 is about 4008.2276631948. The cubic root of 16065889 is about 252.3296318310.

It can be divided in two parts, 160 and 65889, that added together give a square (66049 = 257²).

The spelling of 16065889 in words is "sixteen million, sixty-five thousand, eight hundred eighty-nine".