16984545044 has 24 divisors (see below), whose sum is σ = 29781737160. Its totient is φ = 8475497856.

The previous prime is 16984545023. The next prime is 16984545107. The reversal of 16984545044 is 44054548961.

It can be written as a sum of positive squares in 4 ways, for example, as 2212573444 + 14771971600 = 47038^2 + 121540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16984544983 and 16984545001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7484342 + ... + 7486610.

It is an arithmetic number, because the mean of its divisors is an integer number (1240905715).

Almost surely, 2^16984545044 is an apocalyptic number.

It is an amenable number.

16984545044 is a deficient number, since it is larger than the sum of its proper divisors (12797192116).

16984545044 is a wasteful number, since it uses less digits than its factorization.

16984545044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 16984545044 in words is "sixteen billion, nine hundred eighty-four million, five hundred forty-five thousand, forty-four".