16685000850 has 48 divisors (see below), whose sum is σ = 47290062528. Its totient is φ = 3813714240.

The previous prime is 16685000833. The next prime is 16685000873. The reversal of 16685000850 is 5800058661.

It is a junction number, because it is equal to n+sod(n) for n = 16685000799 and 16685000808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7944189 + ... + 7946288.

It is an arithmetic number, because the mean of its divisors is an integer number (985209636).

Almost surely, 2^16685000850 is an apocalyptic number.

16685000850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16685000850 is an abundant number, since it is smaller than the sum of its proper divisors (30605061678).

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

16685000850 is a wasteful number, since it uses less digits than its factorization.

16685000850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15890499 (or 15890494 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 16685000850 in words is "sixteen billion, six hundred eighty-five million, eight hundred fifty", and thus it is an aban number.