16419441 has 4 divisors (see below), whose sum is σ = 21892592. Its totient is φ = 10946292.

The previous prime is 16419419. The next prime is 16419451. The reversal of 16419441 is 14491461.

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: 14491461 = 3 ⋅4830487.

It is not a de Polignac number, because 16419441 - 2⁹ = 16418929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16419399 and 16419408.

It is not an unprimeable number, because it can be changed into a prime (16419451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2736571 + ... + 2736576.

It is an arithmetic number, because the mean of its divisors is an integer number (5473148).

Almost surely, 2^16419441 is an apocalyptic number.

It is an amenable number.

16419441 is a deficient number, since it is larger than the sum of its proper divisors (5473151).

16419441 is an equidigital number, since it uses as much as digits as its factorization.

16419441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473150.

The product of its digits is 3456, while the sum is 30.

The square root of 16419441 is about 4052.0909417238. The cubic root of 16419441 is about 254.1671714523.

The spelling of 16419441 in words is "sixteen million, four hundred nineteen thousand, four hundred forty-one".