185000000168 has 16 divisors (see below), whose sum is σ = 352561476660. Its totient is φ = 90983606400.

The previous prime is 184999999981. The next prime is 185000000183. The reversal of 185000000168 is 861000000581.

It can be written as a sum of positive squares in 2 ways, for example, as 139160333764 + 45839666404 = 373042^2 + 214102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 185000000168.

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, 189548693 + ... + 189549668.

Almost surely, 2^185000000168 is an apocalyptic number.

It is an amenable number.

185000000168 is a deficient number, since it is larger than the sum of its proper divisors (167561476492).

185000000168 is a wasteful number, since it uses less digits than its factorization.

185000000168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379098428 (or 379098424 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 185000000168 in words is "one hundred eighty-five billion, one hundred sixty-eight", and thus it is an aban number.