180899922002 has 6 divisors (see below), whose sum is σ = 271350785253. Its totient is φ = 90449660252.

The previous prime is 180899921963. The next prime is 180899922041. The reversal of 180899922002 is 200229998081.

180899922002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (180899921963) and next prime (180899922041).

It can be written as a sum of positive squares in 2 ways, for example, as 119355739441 + 61544182561 = 345479^2 + 248081^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=300749.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 451124 + ... + 751872.

Almost surely, 2^180899922002 is an apocalyptic number.

180899922002 is a deficient number, since it is larger than the sum of its proper divisors (90450863251).

180899922002 is an frugal number, since it uses more digits than its factorization.

180899922002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601500 (or 300751 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

Multiplying 180899922002 by its sum of digits (50), we get a square (9044996100100 = 3007490²).

The spelling of 180899922002 in words is "one hundred eighty billion, eight hundred ninety-nine million, nine hundred twenty-two thousand, two".