844368161863448 has 16 divisors (see below), whose sum is σ = 1583226455825880. Its totient is φ = 422174440309888.

The previous prime is 844368161863441. The next prime is 844368161863469.

844368161863448 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844368161863441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204705490 + ... + 1205406177.

Almost surely, 2^{844368161863448} is an apocalyptic number.

It is an amenable number.

844368161863448 is a deficient number, since it is larger than the sum of its proper divisors (738858293962432).

844368161863448 is a wasteful number, since it uses less digits than its factorization.

844368161863448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410155466 (or 2410155462 counting only the distinct ones).

The product of its digits is 2038431744, while the sum is 74.

The spelling of 844368161863448 in words is "eight hundred forty-four trillion, three hundred sixty-eight billion, one hundred sixty-one million, eight hundred sixty-three thousand, four hundred forty-eight".