180849459170 has 16 divisors (see below), whose sum is σ = 325681967160. Its totient is φ = 72305796864.

The previous prime is 180849459169. The next prime is 180849459209. The reversal of 180849459170 is 71954948081.

It can be written as a sum of positive squares in 4 ways, for example, as 86841606721 + 94007852449 = 294689^2 + 306607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225997 + ... + 4268576.

Almost surely, 2^180849459170 is an apocalyptic number.

180849459170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180849459170 is a deficient number, since it is larger than the sum of its proper divisors (144832507990).

180849459170 is a wasteful number, since it uses less digits than its factorization.

180849459170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496709.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 180849459170 in words is "one hundred eighty billion, eight hundred forty-nine million, four hundred fifty-nine thousand, one hundred seventy".