16888020850 has 24 divisors (see below), whose sum is σ = 31432089780. Its totient is φ = 6750827520.

The previous prime is 16888020829. The next prime is 16888020869. The reversal of 16888020850 is 5802088861.

It can be written as a sum of positive squares in 6 ways, for example, as 2339560161 + 14548460689 = 48369^2 + 120617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16888020850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31095 + ... + 186394.

Almost surely, 2^16888020850 is an apocalyptic number.

16888020850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16888020850 is a deficient number, since it is larger than the sum of its proper divisors (14544068930).

16888020850 is a wasteful number, since it uses less digits than its factorization.

16888020850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219054 (or 219049 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 16888020850 in words is "sixteen billion, eight hundred eighty-eight million, twenty thousand, eight hundred fifty".