180930169 has 16 divisors (see below), whose sum is σ = 209453056. Its totient is φ = 153090000.

The previous prime is 180930151. The next prime is 180930193. The reversal of 180930169 is 961039081.

180930169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-180930169 is a prime.

It is a super-2 number, since 2×180930169² = 65471452108737122, which contains 22 as substring.

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 180930169 = 193³ + 558³ = 400³ + 489³.

It is not an unprimeable number, because it can be changed into a prime (180930149) 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, 240544 + ... + 241294.

It is an arithmetic number, because the mean of its divisors is an integer number (13090816).

Almost surely, 2^180930169 is an apocalyptic number.

It is an amenable number.

180930169 is a deficient number, since it is larger than the sum of its proper divisors (28522887).

180930169 is a wasteful number, since it uses less digits than its factorization.

180930169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 180930169 is about 13451.0285480330. The cubic root of 180930169 is about 565.5925274196.

The spelling of 180930169 in words is "one hundred eighty million, nine hundred thirty thousand, one hundred sixty-nine".