16683520016688 has 160 divisors (see below), whose sum is σ = 49648971595776. Its totient is φ = 4728708440064.

The previous prime is 16683520016677. The next prime is 16683520016699. The reversal of 16683520016688 is 88661002538661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16683520016677) and next prime (16683520016699).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842890120 + ... + 842909912.

Almost surely, 2^{16683520016688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16683520016688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24824485797888).

16683520016688 is an abundant number, since it is smaller than the sum of its proper divisors (32965451579088).

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

16683520016688 is a wasteful number, since it uses less digits than its factorization.

16683520016688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39691 (or 39685 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 16683520016688 in words is "sixteen trillion, six hundred eighty-three billion, five hundred twenty million, sixteen thousand, six hundred eighty-eight".