16327445 has 8 divisors (see below), whose sum is σ = 19962936. Its totient is φ = 12815296.

The previous prime is 16327433. The next prime is 16327453. The reversal of 16327445 is 54472361.

16327445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 16273156 = 233^2 + 4034^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16327445 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 30542 + ... + 31071.

It is an arithmetic number, because the mean of its divisors is an integer number (2495367).

Almost surely, 2^16327445 is an apocalyptic number.

It is an amenable number.

16327445 is a deficient number, since it is larger than the sum of its proper divisors (3635491).

16327445 is an equidigital number, since it uses as much as digits as its factorization.

16327445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61671.

The product of its digits is 20160, while the sum is 32.

The square root of 16327445 is about 4040.7233263365. The cubic root of 16327445 is about 253.6915935689.

The spelling of 16327445 in words is "sixteen million, three hundred twenty-seven thousand, four hundred forty-five".