850011601000 has 64 divisors (see below), whose sum is σ = 1998454311360. Its totient is φ = 338393160000.

The previous prime is 850011600989. The next prime is 850011601031. The reversal of 850011601000 is 106110058.

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 15 ways as a sum of consecutive naturals, for example, 1803246 + ... + 2225245.

It is an arithmetic number, because the mean of its divisors is an integer number (31225848615).

Almost surely, 2^850011601000 is an apocalyptic number.

It is an amenable number.

850011601000 is an abundant number, since it is smaller than the sum of its proper divisors (1148442710360).

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

850011601000 is a wasteful number, since it uses less digits than its factorization.

850011601000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028723 (or 4028709 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 850011601000 its reverse (106110058), we get a palindrome (850117711058).

The spelling of 850011601000 in words is "eight hundred fifty billion, eleven million, six hundred one thousand".