16686666703352 has 8 divisors (see below), whose sum is σ = 31287500068800. Its totient is φ = 8343333351672.

The previous prime is 16686666703337. The next prime is 16686666703363. The reversal of 16686666703352 is 25330766668661.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1042916668952 + ... + 1042916668967.

It is an arithmetic number, because the mean of its divisors is an integer number (3910937508600).

Almost surely, 2^{16686666703352} is an apocalyptic number.

It is an amenable number.

16686666703352 is a deficient number, since it is larger than the sum of its proper divisors (14600833365448).

16686666703352 is a wasteful number, since it uses less digits than its factorization.

16686666703352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085833337925 (or 2085833337921 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 65.

The spelling of 16686666703352 in words is "sixteen trillion, six hundred eighty-six billion, six hundred sixty-six million, seven hundred three thousand, three hundred fifty-two".