180985619084 has 24 divisors (see below), whose sum is σ = 317013365088. Its totient is φ = 90410418560.

The previous prime is 180985619083. The next prime is 180985619131. The reversal of 180985619084 is 480916589081.

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 7 ways as a sum of consecutive naturals, for example, 29315822 + ... + 29321994.

It is an arithmetic number, because the mean of its divisors is an integer number (13208890212).

Almost surely, 2^180985619084 is an apocalyptic number.

It is an amenable number.

180985619084 is a deficient number, since it is larger than the sum of its proper divisors (136027746004).

180985619084 is a wasteful number, since it uses less digits than its factorization.

180985619084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665 (or 11663 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 59.

The spelling of 180985619084 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, eighty-four".