198072998324 has 12 divisors (see below), whose sum is σ = 348387280164. Its totient is φ = 98533775424.

The previous prime is 198072998303. The next prime is 198072998377. The reversal of 198072998324 is 423899270891.

It can be written as a sum of positive squares in 2 ways, for example, as 171617975824 + 26455022500 = 414268^2 + 162650^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 125680049 + ... + 125681624.

It is an arithmetic number, because the mean of its divisors is an integer number (29032273347).

Almost surely, 2^198072998324 is an apocalyptic number.

It is an amenable number.

198072998324 is a deficient number, since it is larger than the sum of its proper divisors (150314281840).

198072998324 is a wasteful number, since it uses less digits than its factorization.

198072998324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251361874 (or 251361872 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 198072998324 in words is "one hundred ninety-eight billion, seventy-two million, nine hundred ninety-eight thousand, three hundred twenty-four".