185036806804 has 12 divisors (see below), whose sum is σ = 323839719028. Its totient is φ = 92511172800.

The previous prime is 185036806783. The next prime is 185036806813. The reversal of 185036806804 is 408608630581.

It can be written as a sum of positive squares in 2 ways, for example, as 31576579204 + 153460227600 = 177698^2 + 391740^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1749867 + ... + 1852594.

Almost surely, 2^185036806804 is an apocalyptic number.

It is an amenable number.

185036806804 is a deficient number, since it is larger than the sum of its proper divisors (138802912224).

185036806804 is a wasteful number, since it uses less digits than its factorization.

185036806804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615306 (or 3615304 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 185036806804 in words is "one hundred eighty-five billion, thirty-six million, eight hundred six thousand, eight hundred four".