16328305 has 16 divisors (see below), whose sum is σ = 23166720. Its totient is φ = 10809792.

The previous prime is 16328287. The next prime is 16328311. The reversal of 16328305 is 50382361.

It is not a de Polignac number, because 16328305 - 2¹³ = 16320113 is a prime.

It is a super-2 number, since 2×16328305² = 533227088346050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7029 + ... + 9058.

It is an arithmetic number, because the mean of its divisors is an integer number (1447920).

Almost surely, 2^16328305 is an apocalyptic number.

It is an amenable number.

16328305 is a deficient number, since it is larger than the sum of its proper divisors (6838415).

16328305 is a wasteful number, since it uses less digits than its factorization.

16328305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 16328305 is about 4040.8297415259. The cubic root of 16328305 is about 253.6960476428.

The spelling of 16328305 in words is "sixteen million, three hundred twenty-eight thousand, three hundred five".