180985619094 has 64 divisors (see below), whose sum is σ = 420795924480. Its totient is φ = 50821293600.

The previous prime is 180985619083. The next prime is 180985619131. The reversal of 180985619094 is 490916589081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15662619 + ... + 15674169.

It is an arithmetic number, because the mean of its divisors is an integer number (6574936320).

Almost surely, 2^180985619094 is an apocalyptic number.

180985619094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

180985619094 is an abundant number, since it is smaller than the sum of its proper divisors (239810305386).

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

180985619094 is a wasteful number, since it uses less digits than its factorization.

180985619094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945.

The product of its (nonzero) digits is 5598720, while the sum is 60.

The spelling of 180985619094 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, ninety-four".