180013608 has 48 divisors (see below), whose sum is σ = 488304180. Its totient is φ = 59910144.

The previous prime is 180013597. The next prime is 180013649. The reversal of 180013608 is 806310081.

180013608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156800484 + 23213124 = 12522^2 + 4818^2 .

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 11 ways as a sum of consecutive naturals, for example, 55816 + ... + 58952.

Almost surely, 2^180013608 is an apocalyptic number.

180013608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

180013608 is an abundant number, since it is smaller than the sum of its proper divisors (308290572).

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

180013608 is a wasteful number, since it uses less digits than its factorization.

180013608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 180013608 is about 13416.9149956314. The cubic root of 180013608 is about 564.6358454348.

Adding to 180013608 its reverse (806310081), we get a palindrome (986323689).

It can be divided in two parts, 18001 and 3608, that added together give a square (21609 = 147²).

The spelling of 180013608 in words is "one hundred eighty million, thirteen thousand, six hundred eight".