180985619080 has 64 divisors (see below), whose sum is σ = 485626026240. Its totient is φ = 59354287872.

The previous prime is 180985619077. The next prime is 180985619083. The reversal of 180985619080 is 80916589081.

It is an interprime number because it is at equal distance from previous prime (180985619077) and next prime (180985619083).

It is not an unprimeable number, because it can be changed into a prime (180985619083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14045239 + ... + 14058118.

It is an arithmetic number, because the mean of its divisors is an integer number (7587906660).

Almost surely, 2^180985619080 is an apocalyptic number.

180985619080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180985619080 is an abundant number, since it is smaller than the sum of its proper divisors (304640407160).

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

180985619080 is a wasteful number, since it uses less digits than its factorization.

180985619080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28103398 (or 28103394 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 55.

The spelling of 180985619080 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, eighty".