16044839210401 has 8 divisors (see below), whose sum is σ = 16050106735880. Its totient is φ = 16039572037632.

The previous prime is 16044839210357. The next prime is 16044839210473. The reversal of 16044839210401 is 10401293844061.

It can be written as a sum of positive squares in 4 ways, for example, as 4944107896225 + 11100731314176 = 2223535^2 + 3331776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16044839210401 - 2¹³ = 16044839202209 is a prime.

It is a super-3 number, since 3×16044839210401³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16044839210501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115035361 + ... + 115174753.

It is an arithmetic number, because the mean of its divisors is an integer number (2006263341985).

Almost surely, 2^{16044839210401} is an apocalyptic number.

It is an amenable number.

16044839210401 is a deficient number, since it is larger than the sum of its proper divisors (5267525479).

16044839210401 is a wasteful number, since it uses less digits than its factorization.

16044839210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176355.

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

The spelling of 16044839210401 in words is "sixteen trillion, forty-four billion, eight hundred thirty-nine million, two hundred ten thousand, four hundred one".