16844433544 has 64 divisors (see below), whose sum is σ = 35710502400. Its totient is φ = 7406515200.

The previous prime is 16844433511. The next prime is 16844433581. The reversal of 16844433544 is 44533444861.

It is a junction number, because it is equal to n+sod(n) for n = 16844433494 and 16844433503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53379 + ... + 191149.

It is an arithmetic number, because the mean of its divisors is an integer number (557976600).

Almost surely, 2^16844433544 is an apocalyptic number.

It is an amenable number.

16844433544 is an abundant number, since it is smaller than the sum of its proper divisors (18866068856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16844433544 is a wasteful number, since it uses less digits than its factorization.

16844433544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137854 (or 137850 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 46.

The spelling of 16844433544 in words is "sixteen billion, eight hundred forty-four million, four hundred thirty-three thousand, five hundred forty-four".