180099968 has 32 divisors (see below), whose sum is σ = 362371320. Its totient is φ = 89152000.

The previous prime is 180099943. The next prime is 180099971. The reversal of 180099968 is 869990081.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5963 + ... + 19893.

Almost surely, 2^180099968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180099968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181185660).

180099968 is an abundant number, since it is smaller than the sum of its proper divisors (182271352).

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

180099968 is a wasteful number, since it uses less digits than its factorization.

180099968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046 (or 14034 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 180099968 is about 13420.1329352581. The cubic root of 180099968 is about 564.7261240838.

The spelling of 180099968 in words is "one hundred eighty million, ninety-nine thousand, nine hundred sixty-eight".