1806842195 has 16 divisors (see below), whose sum is σ = 2300008608. Its totient is φ = 1357923840.

The previous prime is 1806842179. The next prime is 1806842231. The reversal of 1806842195 is 5912486081.

It is not a de Polignac number, because 1806842195 - 2⁴ = 1806842179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27065 + ... + 65925.

It is an arithmetic number, because the mean of its divisors is an integer number (143750538).

Almost surely, 2^1806842195 is an apocalyptic number.

1806842195 is a deficient number, since it is larger than the sum of its proper divisors (493166413).

1806842195 is a wasteful number, since it uses less digits than its factorization.

1806842195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39430.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1806842195 is about 42506.9664290455. The cubic root of 1806842195 is about 1217.9797692307.

The spelling of 1806842195 in words is "one billion, eight hundred six million, eight hundred forty-two thousand, one hundred ninety-five".