180099506 has 8 divisors (see below), whose sum is σ = 274728240. Its totient is φ = 88523428.

The previous prime is 180099497. The next prime is 180099509. The reversal of 180099506 is 605990081.

180099506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×180099506² = 64871664122888072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180099506.

It is not an unprimeable number, because it can be changed into a prime (180099509) 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, 763016 + ... + 763251.

It is an arithmetic number, because the mean of its divisors is an integer number (34341030).

Almost surely, 2^180099506 is an apocalyptic number.

180099506 is a deficient number, since it is larger than the sum of its proper divisors (94628734).

180099506 is a wasteful number, since it uses less digits than its factorization.

180099506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526328.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 180099506 is about 13420.1157223028. The cubic root of 180099506 is about 564.7256411970.

The spelling of 180099506 in words is "one hundred eighty million, ninety-nine thousand, five hundred six".