16304065 has 8 divisors (see below), whose sum is σ = 19981440. Its totient is φ = 12765552.

The previous prime is 16304063. The next prime is 16304069. The reversal of 16304065 is 56040361.

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

It is a cyclic number.

It is not a de Polignac number, because 16304065 - 2¹ = 16304063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16304063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34455 + ... + 34924.

It is an arithmetic number, because the mean of its divisors is an integer number (2497680).

Almost surely, 2^16304065 is an apocalyptic number.

It is an amenable number.

16304065 is a deficient number, since it is larger than the sum of its proper divisors (3677375).

16304065 is an equidigital number, since it uses as much as digits as its factorization.

16304065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69431.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 16304065 is about 4037.8292435416. The cubic root of 16304065 is about 253.5704449381.

The spelling of 16304065 in words is "sixteen million, three hundred four thousand, sixty-five".