16327705 has 4 divisors (see below), whose sum is σ = 19593252. Its totient is φ = 13062160.

The previous prime is 16327697. The next prime is 16327711. The reversal of 16327705 is 50772361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50772361 = 47 ⋅1080263.

It can be written as a sum of positive squares in 2 ways, for example, as 4713241 + 11614464 = 2171^2 + 3408^2 .

It is not a de Polignac number, because 16327705 - 2³ = 16327697 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632766 + ... + 1632775.

It is an arithmetic number, because the mean of its divisors is an integer number (4898313).

Almost surely, 2^16327705 is an apocalyptic number.

It is an amenable number.

16327705 is a deficient number, since it is larger than the sum of its proper divisors (3265547).

16327705 is an equidigital number, since it uses as much as digits as its factorization.

16327705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265546.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 16327705 is about 4040.7554986661. The cubic root of 16327705 is about 253.6929401658.

The spelling of 16327705 in words is "sixteen million, three hundred twenty-seven thousand, seven hundred five".