180732085 has 16 divisors (see below), whose sum is σ = 231053760. Its totient is φ = 135319680.

The previous prime is 180732073. The next prime is 180732103. The reversal of 180732085 is 580237081.

It is not a de Polignac number, because 180732085 - 2²¹ = 178634933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180732085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576 + ... + 19345.

It is an arithmetic number, because the mean of its divisors is an integer number (14440860).

Almost surely, 2^180732085 is an apocalyptic number.

It is an amenable number.

180732085 is a deficient number, since it is larger than the sum of its proper divisors (50321675).

180732085 is a wasteful number, since it uses less digits than its factorization.

180732085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23028.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 180732085 is about 13443.6633772198. The cubic root of 180732085 is about 565.3860467623.

The spelling of 180732085 in words is "one hundred eighty million, seven hundred thirty-two thousand, eighty-five".