16868599950 has 96 divisors (see below), whose sum is σ = 44201635200. Its totient is φ = 4245505920.

The previous prime is 16868599921. The next prime is 16868599961. The reversal of 16868599950 is 5999586861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 755649 + ... + 777651.

It is an arithmetic number, because the mean of its divisors is an integer number (460433700).

Almost surely, 2^16868599950 is an apocalyptic number.

16868599950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16868599950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22100817600).

16868599950 is an abundant number, since it is smaller than the sum of its proper divisors (27333035250).

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

16868599950 is a wasteful number, since it uses less digits than its factorization.

16868599950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22306 (or 22301 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 66.

The spelling of 16868599950 in words is "sixteen billion, eight hundred sixty-eight million, five hundred ninety-nine thousand, nine hundred fifty".