16785016850 has 24 divisors (see below), whose sum is σ = 35680150848. Its totient is φ = 5754862800.

The previous prime is 16785016819. The next prime is 16785016901. The reversal of 16785016850 is 5861058761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16785016795 and 16785016804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23978246 + ... + 23978945.

It is an arithmetic number, because the mean of its divisors is an integer number (1486672952).

Almost surely, 2^16785016850 is an apocalyptic number.

16785016850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16785016850 is an abundant number, since it is smaller than the sum of its proper divisors (18895133998).

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

16785016850 is a wasteful number, since it uses less digits than its factorization.

16785016850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47957210 (or 47957205 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 16785016850 in words is "sixteen billion, seven hundred eighty-five million, sixteen thousand, eight hundred fifty".