180099368 has 8 divisors (see below), whose sum is σ = 337686330. Its totient is φ = 90049680.

The previous prime is 180099349. The next prime is 180099371. The reversal of 180099368 is 863990081.

It can be written as a sum of positive squares in only one way, i.e., 180042724 + 56644 = 13418^2 + 238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256203 + ... + 11256218.

Almost surely, 2^180099368 is an apocalyptic number.

It is an amenable number.

180099368 is a deficient number, since it is larger than the sum of its proper divisors (157586962).

180099368 is a wasteful number, since it uses less digits than its factorization.

180099368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22512427 (or 22512423 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 180099368 is about 13420.1105807665. The cubic root of 180099368 is about 564.7254969579.

The spelling of 180099368 in words is "one hundred eighty million, ninety-nine thousand, three hundred sixty-eight".