16089644041 has 4 divisors (see below), whose sum is σ = 16178537284. Its totient is φ = 16000750800.

The previous prime is 16089644027. The next prime is 16089644057. The reversal of 16089644041 is 14044698061.

16089644041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 357210000 + 15732434041 = 18900^2 + 125429^2 .

It is a cyclic number.

It is not a de Polignac number, because 16089644041 - 2¹⁵ = 16089611273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16089644071) 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, 44446350 + ... + 44446711.

It is an arithmetic number, because the mean of its divisors is an integer number (4044634321).

Almost surely, 2^16089644041 is an apocalyptic number.

It is an amenable number.

16089644041 is a deficient number, since it is larger than the sum of its proper divisors (88893243).

16089644041 is an equidigital number, since it uses as much as digits as its factorization.

16089644041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88893242.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 16089644041 in words is "sixteen billion, eighty-nine million, six hundred forty-four thousand, forty-one".