185683164 has 12 divisors (see below), whose sum is σ = 433260744. Its totient is φ = 61894384.

The previous prime is 185683151. The next prime is 185683171. The reversal of 185683164 is 461386581.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7736787 + ... + 7736810.

It is an arithmetic number, because the mean of its divisors is an integer number (36105062).

Almost surely, 2^185683164 is an apocalyptic number.

It is an amenable number.

185683164 is an abundant number, since it is smaller than the sum of its proper divisors (247577580).

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

185683164 is a wasteful number, since it uses less digits than its factorization.

185683164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473604 (or 15473602 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 185683164 is about 13626.5609748021. The cubic root of 185683164 is about 570.5024440173.

The spelling of 185683164 in words is "one hundred eighty-five million, six hundred eighty-three thousand, one hundred sixty-four".