180018086580168 has 32 divisors (see below), whose sum is σ = 450045578217600. Its totient is φ = 60005980624448.

The previous prime is 180018086580151. The next prime is 180018086580193. The reversal of 180018086580168 is 861085680810081.

180018086580168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180018086580168² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39973930 + ... + 44248742.

It is an arithmetic number, because the mean of its divisors is an integer number (14063924319300).

Almost surely, 2^{180018086580168} is an apocalyptic number.

It is an amenable number.

180018086580168 is an abundant number, since it is smaller than the sum of its proper divisors (270027491637432).

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

180018086580168 is a wasteful number, since it uses less digits than its factorization.

180018086580168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029461 (or 6029457 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 60.

The spelling of 180018086580168 in words is "one hundred eighty trillion, eighteen billion, eighty-six million, five hundred eighty thousand, one hundred sixty-eight".