842866945185 has 16 divisors (see below), whose sum is σ = 1349077752000. Its totient is φ = 449365490880.

The previous prime is 842866945171. The next prime is 842866945237. The reversal of 842866945185 is 581549668248.

It is not a de Polignac number, because 842866945185 - 2⁴ = 842866945169 is a prime.

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, 10179051 + ... + 10261520.

It is an arithmetic number, because the mean of its divisors is an integer number (84317359500).

Almost surely, 2^842866945185 is an apocalyptic number.

It is an amenable number.

842866945185 is a deficient number, since it is larger than the sum of its proper divisors (506210806815).

842866945185 is a wasteful number, since it uses less digits than its factorization.

842866945185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443328.

The product of its digits is 132710400, while the sum is 66.

The spelling of 842866945185 in words is "eight hundred forty-two billion, eight hundred sixty-six million, nine hundred forty-five thousand, one hundred eighty-five".