180018768 has 40 divisors (see below), whose sum is σ = 489527200. Its totient is φ = 56847744.

The previous prime is 180018739. The next prime is 180018779. The reversal of 180018768 is 867810081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97783 + ... + 99606.

It is an arithmetic number, because the mean of its divisors is an integer number (12238180).

Almost surely, 2^180018768 is an apocalyptic number.

It is an amenable number.

180018768 is an abundant number, since it is smaller than the sum of its proper divisors (309508432).

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

180018768 is a wasteful number, since it uses less digits than its factorization.

180018768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197419 (or 197413 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 180018768 is about 13417.1072888309. The cubic root of 180018768 is about 564.6412403846.

The spelling of 180018768 in words is "one hundred eighty million, eighteen thousand, seven hundred sixty-eight".