185528164 has 12 divisors (see below), whose sum is σ = 325122364. Its totient is φ = 92636064.

The previous prime is 185528153. The next prime is 185528173. The reversal of 185528164 is 461825581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91049764 + 94478400 = 9542^2 + 9720^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28707 + ... + 34570.

Almost surely, 2^185528164 is an apocalyptic number.

It is an amenable number.

185528164 is a deficient number, since it is larger than the sum of its proper divisors (139594200).

185528164 is a wasteful number, since it uses less digits than its factorization.

185528164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64014 (or 64012 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The square root of 185528164 is about 13620.8723656013. The cubic root of 185528164 is about 570.3436565187.

The spelling of 185528164 in words is "one hundred eighty-five million, five hundred twenty-eight thousand, one hundred sixty-four".