16448533 has 4 divisors (see below), whose sum is σ = 16459468. Its totient is φ = 16437600.

The previous prime is 16448513. The next prime is 16448561. The reversal of 16448533 is 33584461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33584461 = 47 ⋅714563.

It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 9012004 = 2727^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 16448533 - 2⁵ = 16448501 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16448513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (4114867).

Almost surely, 2^16448533 is an apocalyptic number.

It is an amenable number.

16448533 is a deficient number, since it is larger than the sum of its proper divisors (10935).

16448533 is an equidigital number, since it uses as much as digits as its factorization.

16448533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934.

The product of its digits is 34560, while the sum is 34.

The square root of 16448533 is about 4055.6791046630. The cubic root of 16448533 is about 254.3171941928.

The spelling of 16448533 in words is "sixteen million, four hundred forty-eight thousand, five hundred thirty-three".