16680858 has 32 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 5221440.

The previous prime is 16680847. The next prime is 16680871. The reversal of 16680858 is 85808661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143 + ... + 7733.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^16680858 is an apocalyptic number.

16680858 is an abundant number, since it is smaller than the sum of its proper divisors (18777702).

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

16680858 is a wasteful number, since it uses less digits than its factorization.

16680858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 16680858 is about 4084.2206110836. The cubic root of 16680858 is about 255.5089565808.

The spelling of 16680858 in words is "sixteen million, six hundred eighty thousand, eight hundred fifty-eight".