198615094322 has 18 divisors (see below), whose sum is σ = 301817212893. Its totient is φ = 98025909384.

The previous prime is 198615094273. The next prime is 198615094357. The reversal of 198615094322 is 223490516891.

198615094322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198453321361 + 161772961 = 445481^2 + 12719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=315131.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49788704 + ... + 49792692.

Almost surely, 2^198615094322 is an apocalyptic number.

198615094322 is a deficient number, since it is larger than the sum of its proper divisors (103202118571).

198615094322 is an frugal number, since it uses more digits than its factorization.

198615094322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

Multiplying 198615094322 by its sum of digits (50), we get a square (9930754716100 = 3151310²).

The spelling of 198615094322 in words is "one hundred ninety-eight billion, six hundred fifteen million, ninety-four thousand, three hundred twenty-two".