180985619068 has 12 divisors (see below), whose sum is σ = 316773673272. Its totient is φ = 90478855280.

The previous prime is 180985619063. The next prime is 180985619077. The reversal of 180985619068 is 860916589081.

It is a junction number, because it is equal to n+sod(n) for n = 180985618997 and 180985619015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180985619063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459355 + ... + 3511282.

It is an arithmetic number, because the mean of its divisors is an integer number (26397806106).

Almost surely, 2^180985619068 is an apocalyptic number.

It is an amenable number.

180985619068 is a deficient number, since it is larger than the sum of its proper divisors (135788054204).

180985619068 is a wasteful number, since it uses less digits than its factorization.

180985619068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977132 (or 6977130 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 61.

The spelling of 180985619068 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, sixty-eight".