16850201868 has 18 divisors (see below), whose sum is σ = 42593565924. Its totient is φ = 5616733944.

The previous prime is 16850201867. The next prime is 16850201897. The reversal of 16850201868 is 86810205861.

16850201868 is a `hidden beast` number, since 1 + 68 + 502 + 0 + 1 + 86 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16850201867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234030546 + ... + 234030617.

It is an arithmetic number, because the mean of its divisors is an integer number (2366309218).

Almost surely, 2^16850201868 is an apocalyptic number.

16850201868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16850201868 is an abundant number, since it is smaller than the sum of its proper divisors (25743364056).

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

16850201868 is a wasteful number, since it uses less digits than its factorization.

16850201868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468061173 (or 468061168 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 16850201868 in words is "sixteen billion, eight hundred fifty million, two hundred one thousand, eight hundred sixty-eight".