16726480168 has 16 divisors (see below), whose sum is σ = 31364121780. Its totient is φ = 8362714368.

The previous prime is 16726480153. The next prime is 16726480189. The reversal of 16726480168 is 86108462761.

It can be written as a sum of positive squares in 2 ways, for example, as 16666293604 + 60186564 = 129098^2 + 7758^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91680 + ... + 204592.

Almost surely, 2^16726480168 is an apocalyptic number.

It is an amenable number.

16726480168 is a deficient number, since it is larger than the sum of its proper divisors (14637641612).

16726480168 is a wasteful number, since it uses less digits than its factorization.

16726480168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131436 (or 131432 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 16726480168 in words is "sixteen billion, seven hundred twenty-six million, four hundred eighty thousand, one hundred sixty-eight".