180307916 has 24 divisors (see below), whose sum is σ = 335600496. Its totient is φ = 84469760.

The previous prime is 180307913. The next prime is 180307931. The reversal of 180307916 is 619703081.

It is not an unprimeable number, because it can be changed into a prime (180307913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9596 + ... + 21276.

It is an arithmetic number, because the mean of its divisors is an integer number (13983354).

Almost surely, 2^180307916 is an apocalyptic number.

It is an amenable number.

180307916 is a deficient number, since it is larger than the sum of its proper divisors (155292580).

180307916 is a wasteful number, since it uses less digits than its factorization.

180307916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929 (or 11927 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 180307916 is about 13427.8783134194. The cubic root of 180307916 is about 564.9433895300.

The spelling of 180307916 in words is "one hundred eighty million, three hundred seven thousand, nine hundred sixteen".