16680006683028 has 72 divisors (see below), whose sum is σ = 45568274844456. Its totient is φ = 5114045260800.

The previous prime is 16680006682939. The next prime is 16680006683057. The reversal of 16680006683028 is 82038660008661.

It can be written as a sum of positive squares in 4 ways, for example, as 6274814581764 + 10405192101264 = 2504958^2 + 3225708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63286713 + ... + 63549728.

It is an arithmetic number, because the mean of its divisors is an integer number (632892706173).

Almost surely, 2^{16680006683028} is an apocalyptic number.

16680006683028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16680006683028 is an abundant number, since it is smaller than the sum of its proper divisors (28888268161428).

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

16680006683028 is a wasteful number, since it uses less digits than its factorization.

16680006683028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126836745 (or 126836740 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 16680006683028 in words is "sixteen trillion, six hundred eighty billion, six million, six hundred eighty-three thousand, twenty-eight".