16448453 has 4 divisors (see below), whose sum is σ = 18798240. Its totient is φ = 14098668.

The previous prime is 16448447. The next prime is 16448477. The reversal of 16448453 is 35484461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35484461 = 2579 ⋅13759.

It is a cyclic number.

It is not a de Polignac number, because 16448453 - 2⁴ = 16448437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16448413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174883 + ... + 1174896.

It is an arithmetic number, because the mean of its divisors is an integer number (4699560).

Almost surely, 2^16448453 is an apocalyptic number.

It is an amenable number.

16448453 is a deficient number, since it is larger than the sum of its proper divisors (2349787).

16448453 is an equidigital number, since it uses as much as digits as its factorization.

16448453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349786.

The product of its digits is 46080, while the sum is 35.

The square root of 16448453 is about 4055.6692419378. The cubic root of 16448453 is about 254.3167818884.

The spelling of 16448453 in words is "sixteen million, four hundred forty-eight thousand, four hundred fifty-three".