16444581341 has 4 divisors (see below), whose sum is σ = 17011635900. Its totient is φ = 15877526784.

The previous prime is 16444581281. The next prime is 16444581359. The reversal of 16444581341 is 14318544461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9570513241 + 6874068100 = 97829^2 + 82910^2 .

It is a cyclic number.

It is not a de Polignac number, because 16444581341 - 2¹⁴ = 16444564957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444581541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283527236 + ... + 283527293.

It is an arithmetic number, because the mean of its divisors is an integer number (4252908975).

Almost surely, 2^16444581341 is an apocalyptic number.

It is an amenable number.

16444581341 is a deficient number, since it is larger than the sum of its proper divisors (567054559).

16444581341 is an equidigital number, since it uses as much as digits as its factorization.

16444581341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567054558.

The product of its digits is 184320, while the sum is 41.

The spelling of 16444581341 in words is "sixteen billion, four hundred forty-four million, five hundred eighty-one thousand, three hundred forty-one".