198209558468 has 12 divisors (see below), whose sum is σ = 348609777600. Its totient is φ = 98606764872.

The previous prime is 198209558467. The next prime is 198209558489. The reversal of 198209558468 is 864855902891.

198209558468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198209558467) 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, 124502696 + ... + 124504287.

It is an arithmetic number, because the mean of its divisors is an integer number (29050814800).

Almost surely, 2^198209558468 is an apocalyptic number.

It is an amenable number.

198209558468 is a deficient number, since it is larger than the sum of its proper divisors (150400219132).

198209558468 is a wasteful number, since it uses less digits than its factorization.

198209558468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249007186 (or 249007184 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 65.

The spelling of 198209558468 in words is "one hundred ninety-eight billion, two hundred nine million, five hundred fifty-eight thousand, four hundred sixty-eight".