16680286 has 12 divisors (see below), whose sum is σ = 29105568. Its totient is φ = 7148652.

The previous prime is 16680241. The next prime is 16680289. The reversal of 16680286 is 68208661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85006 + ... + 85201.

It is an arithmetic number, because the mean of its divisors is an integer number (2425464).

Almost surely, 2^16680286 is an apocalyptic number.

16680286 is a deficient number, since it is larger than the sum of its proper divisors (12425282).

16680286 is a wasteful number, since it uses less digits than its factorization.

16680286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170223 (or 170216 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 16680286 is about 4084.1505848830. The cubic root of 16680286 is about 255.5060360118.

The spelling of 16680286 in words is "sixteen million, six hundred eighty thousand, two hundred eighty-six".