16686889016 has 16 divisors (see below), whose sum is σ = 35757619440. Its totient is φ = 7151523840.

The previous prime is 16686889007. The next prime is 16686889057. The reversal of 16686889016 is 61098868661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148990025 + ... + 148990136.

It is an arithmetic number, because the mean of its divisors is an integer number (2234851215).

Almost surely, 2^16686889016 is an apocalyptic number.

It is an amenable number.

16686889016 is an abundant number, since it is smaller than the sum of its proper divisors (19070730424).

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

16686889016 is a wasteful number, since it uses less digits than its factorization.

16686889016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297980174 (or 297980170 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 16686889016 in words is "sixteen billion, six hundred eighty-six million, eight hundred eighty-nine thousand, sixteen".