16844677440841 has 16 divisors (see below), whose sum is σ = 17850954650256. Its totient is φ = 15840117835776.

The previous prime is 16844677440817. The next prime is 16844677440893. The reversal of 16844677440841 is 14804477644861.

It can be written as a sum of positive squares in 8 ways, for example, as 3537393593616 + 13307283847225 = 1880796^2 + 3647915^2 .

It is a cyclic number.

It is not a de Polignac number, because 16844677440841 - 2³¹ = 16842529957193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16844677440341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112827655 + ... + 112976851.

It is an arithmetic number, because the mean of its divisors is an integer number (1115684665641).

Almost surely, 2^{16844677440841} is an apocalyptic number.

It is an amenable number.

16844677440841 is a deficient number, since it is larger than the sum of its proper divisors (1006277209415).

16844677440841 is a wasteful number, since it uses less digits than its factorization.

16844677440841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154908.

The product of its (nonzero) digits is 115605504, while the sum is 64.

The spelling of 16844677440841 in words is "sixteen trillion, eight hundred forty-four billion, six hundred seventy-seven million, four hundred forty thousand, eight hundred forty-one".