180985618876 has 12 divisors (see below), whose sum is σ = 316737074808. Its totient is φ = 90489311792.

The previous prime is 180985618871. The next prime is 180985618889. The reversal of 180985618876 is 678816589081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180985618871) 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, 756211 + ... + 966346.

It is an arithmetic number, because the mean of its divisors is an integer number (26394756234).

Almost surely, 2^180985618876 is an apocalyptic number.

It is an amenable number.

180985618876 is a deficient number, since it is larger than the sum of its proper divisors (135751455932).

180985618876 is a wasteful number, since it uses less digits than its factorization.

180985618876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748828 (or 1748826 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 67.

The spelling of 180985618876 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred eighteen thousand, eight hundred seventy-six".