198248145164 has 12 divisors (see below), whose sum is σ = 348750665088. Its totient is φ = 98605098000.

The previous prime is 198248145103. The next prime is 198248145169. The reversal of 198248145164 is 461541842891.

It is not an unprimeable number, because it can be changed into a prime (198248145169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129742787 + ... + 129744314.

It is an arithmetic number, because the mean of its divisors is an integer number (29062555424).

Almost surely, 2^198248145164 is an apocalyptic number.

It is an amenable number.

198248145164 is a deficient number, since it is larger than the sum of its proper divisors (150502519924).

198248145164 is a wasteful number, since it uses less digits than its factorization.

198248145164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259487296 (or 259487294 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The spelling of 198248145164 in words is "one hundred ninety-eight billion, two hundred forty-eight million, one hundred forty-five thousand, one hundred sixty-four".