180680168 has 8 divisors (see below), whose sum is σ = 338775330. Its totient is φ = 90340080.

The previous prime is 180680147. The next prime is 180680197. The reversal of 180680168 is 861086081.

It can be written as a sum of positive squares in only one way, i.e., 178436164 + 2244004 = 13358^2 + 1498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11292503 + ... + 11292518.

Almost surely, 2^180680168 is an apocalyptic number.

It is an amenable number.

180680168 is a deficient number, since it is larger than the sum of its proper divisors (158095162).

180680168 is a wasteful number, since it uses less digits than its factorization.

180680168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22585027 (or 22585023 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 180680168 is about 13441.7323288332. The cubic root of 180680168 is about 565.3319040820.

The spelling of 180680168 in words is "one hundred eighty million, six hundred eighty thousand, one hundred sixty-eight".