544844081663 has 8 divisors (see below), whose sum is σ = 622874112000. Its totient is φ = 466862841720.

The previous prime is 544844081657. The next prime is 544844081693. The reversal of 544844081663 is 366180448445.

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 544844081663 - 2¹⁶ = 544844016127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544844081653) 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 7 ways as a sum of consecutive naturals, for example, 12173663 + ... + 12218336.

It is an arithmetic number, because the mean of its divisors is an integer number (77859264000).

Almost surely, 2^544844081663 is an apocalyptic number.

544844081663 is a deficient number, since it is larger than the sum of its proper divisors (78030030337).

544844081663 is a wasteful number, since it uses less digits than its factorization.

544844081663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395197.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 544844081663 in words is "five hundred forty-four billion, eight hundred forty-four million, eighty-one thousand, six hundred sixty-three".