180389968 has 20 divisors (see below), whose sum is σ = 381279168. Its totient is φ = 81995360.

The previous prime is 180389953. The next prime is 180389969. The reversal of 180389968 is 869983081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180389969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512296 + ... + 512647.

Almost surely, 2^180389968 is an apocalyptic number.

It is an amenable number.

180389968 is an abundant number, since it is smaller than the sum of its proper divisors (200889200).

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

180389968 is a wasteful number, since it uses less digits than its factorization.

180389968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024962 (or 1024956 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 180389968 is about 13430.9332512674. The cubic root of 180389968 is about 565.0290720415.

The spelling of 180389968 in words is "one hundred eighty million, three hundred eighty-nine thousand, nine hundred sixty-eight".