8201081850 has 96 divisors (see below), whose sum is σ = 21996092160. Its totient is φ = 2010167040.

The previous prime is 8201081827. The next prime is 8201081879. The reversal of 8201081850 is 581801028.

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, 457252 + ... + 474848.

It is an arithmetic number, because the mean of its divisors is an integer number (229125960).

Almost surely, 2^8201081850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8201081850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10998046080).

8201081850 is an abundant number, since it is smaller than the sum of its proper divisors (13795010310).

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

8201081850 is a wasteful number, since it uses less digits than its factorization.

8201081850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17864 (or 17859 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 8201081850 is about 90559.8247016855. The cubic root of 8201081850 is about 2016.6183535391.

Adding to 8201081850 its reverse (581801028), we get a palindrome (8782882878).

The spelling of 8201081850 in words is "eight billion, two hundred one million, eighty-one thousand, eight hundred fifty".