180318168 has 96 divisors (see below), whose sum is σ = 506844000. Its totient is φ = 57867264.

The previous prime is 180318121. The next prime is 180318181. The reversal of 180318168 is 861813081.

180318168 is a `hidden beast` number, since 180 + 318 + 168 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300733 + ... + 301331.

It is an arithmetic number, because the mean of its divisors is an integer number (5279625).

Almost surely, 2^180318168 is an apocalyptic number.

180318168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180318168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253422000).

180318168 is an abundant number, since it is smaller than the sum of its proper divisors (326525832).

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

180318168 is a wasteful number, since it uses less digits than its factorization.

180318168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 180318168 is about 13428.2600511012. The cubic root of 180318168 is about 564.9540965657.

The spelling of 180318168 in words is "one hundred eighty million, three hundred eighteen thousand, one hundred sixty-eight".