16554432445444 has 24 divisors (see below), whose sum is σ = 29202672635136. Its totient is φ = 8210860476000.

The previous prime is 16554432445429. The next prime is 16554432445483. The reversal of 16554432445444 is 44454423445561.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4738887 + ... + 7454254.

It is an arithmetic number, because the mean of its divisors is an integer number (1216778026464).

Almost surely, 2^{16554432445444} is an apocalyptic number.

It is an amenable number.

16554432445444 is a deficient number, since it is larger than the sum of its proper divisors (12648240189692).

16554432445444 is a wasteful number, since it uses less digits than its factorization.

16554432445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195867 (or 12195865 counting only the distinct ones).

The product of its digits is 73728000, while the sum is 55.

The spelling of 16554432445444 in words is "sixteen trillion, five hundred fifty-four billion, four hundred thirty-two million, four hundred forty-five thousand, four hundred forty-four".