180705668 has 48 divisors (see below), whose sum is σ = 377684160. Its totient is φ = 74563200.

The previous prime is 180705667. The next prime is 180705677. The reversal of 180705668 is 866507081.

It is not an unprimeable number, because it can be changed into a prime (180705667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32303 + ... + 37481.

It is an arithmetic number, because the mean of its divisors is an integer number (7868420).

Almost surely, 2^180705668 is an apocalyptic number.

It is an amenable number.

180705668 is an abundant number, since it is smaller than the sum of its proper divisors (196978492).

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

180705668 is a wasteful number, since it uses less digits than its factorization.

180705668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268 (or 5266 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 180705668 is about 13442.6808338218. The cubic root of 180705668 is about 565.3584985621.

The spelling of 180705668 in words is "one hundred eighty million, seven hundred five thousand, six hundred sixty-eight".