16842509108 has 12 divisors (see below), whose sum is σ = 29475587652. Its totient is φ = 8420912640.

The previous prime is 16842509083. The next prime is 16842509141. The reversal of 16842509108 is 80190524861.

It can be written as a sum of positive squares in 2 ways, for example, as 631617424 + 16210891684 = 25132^2 + 127322^2 .

It is a super-3 number, since 3×16842509108³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3 ways as a sum of consecutive naturals, for example, 48788 + ... + 189908.

It is an arithmetic number, because the mean of its divisors is an integer number (2456298971).

Almost surely, 2^16842509108 is an apocalyptic number.

It is an amenable number.

16842509108 is a deficient number, since it is larger than the sum of its proper divisors (12633078544).

16842509108 is a wasteful number, since it uses less digits than its factorization.

16842509108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170962 (or 170960 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 16842509108 in words is "sixteen billion, eight hundred forty-two million, five hundred nine thousand, one hundred eight".