16886509268 has 6 divisors (see below), whose sum is σ = 29551391226. Its totient is φ = 8443254632.

The previous prime is 16886509243. The next prime is 16886509279. The reversal of 16886509268 is 86290568861.

It can be written as a sum of positive squares in only one way, i.e., 16865697424 + 20811844 = 129868^2 + 4562^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110813655 + ... + 2110813662.

It is an arithmetic number, because the mean of its divisors is an integer number (4925231871).

Almost surely, 2^16886509268 is an apocalyptic number.

It is an amenable number.

16886509268 is a deficient number, since it is larger than the sum of its proper divisors (12664881958).

16886509268 is a wasteful number, since it uses less digits than its factorization.

16886509268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221627321 (or 4221627319 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 16886509268 in words is "sixteen billion, eight hundred eighty-six million, five hundred nine thousand, two hundred sixty-eight".