16306065 has 12 divisors (see below), whose sum is σ = 28263924. Its totient is φ = 8696544.

The previous prime is 16306049. The next prime is 16306079. The reversal of 16306065 is 56060361.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 4028049 = 3504^2 + 2007^2 .

It is not a de Polignac number, because 16306065 - 2⁴ = 16306049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181134 + ... + 181223.

It is an arithmetic number, because the mean of its divisors is an integer number (2355327).

Almost surely, 2^16306065 is an apocalyptic number.

16306065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16306065 is a deficient number, since it is larger than the sum of its proper divisors (11957859).

16306065 is a wasteful number, since it uses less digits than its factorization.

16306065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362368 (or 362365 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 16306065 is about 4038.0768937701. The cubic root of 16306065 is about 253.5808129078.

The spelling of 16306065 in words is "sixteen million, three hundred six thousand, sixty-five".