16005065 has 8 divisors (see below), whose sum is σ = 19275648. Its totient is φ = 12757680.

The previous prime is 16005043. The next prime is 16005091. The reversal of 16005065 is 56050061.

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

It is not a de Polignac number, because 16005065 - 2⁶ = 16005001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16005065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241 + ... + 7070.

It is an arithmetic number, because the mean of its divisors is an integer number (2409456).

Almost surely, 2^16005065 is an apocalyptic number.

It is an amenable number.

16005065 is a deficient number, since it is larger than the sum of its proper divisors (3270583).

16005065 is a wasteful number, since it uses less digits than its factorization.

16005065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 16005065 is about 4000.6330749020. The cubic root of 16005065 is about 252.0107967575.

The spelling of 16005065 in words is "sixteen million, five thousand, sixty-five".