180985619074 has 16 divisors (see below), whose sum is σ = 294112058688. Its totient is φ = 83031631632.

The previous prime is 180985619063. The next prime is 180985619077. The reversal of 180985619074 is 470916589081.

It is not an unprimeable number, because it can be changed into a prime (180985619077) 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, 20836932 + ... + 20845615.

It is an arithmetic number, because the mean of its divisors is an integer number (18382003668).

Almost surely, 2^180985619074 is an apocalyptic number.

180985619074 is a deficient number, since it is larger than the sum of its proper divisors (113126439614).

180985619074 is a wasteful number, since it uses less digits than its factorization.

180985619074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41682729.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 180985619074 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, seventy-four".