198248037842 has 16 divisors (see below), whose sum is σ = 301446055680. Its totient is φ = 97774175952.

The previous prime is 198248037839. The next prime is 198248037847. The reversal of 198248037842 is 248730842891.

It is not an unprimeable number, because it can be changed into a prime (198248037847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990388 + ... + 2087615.

It is an arithmetic number, because the mean of its divisors is an integer number (18840378480).

Almost surely, 2^198248037842 is an apocalyptic number.

198248037842 is a deficient number, since it is larger than the sum of its proper divisors (103198017838).

198248037842 is a wasteful number, since it uses less digits than its factorization.

198248037842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078337.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 198248037842 in words is "one hundred ninety-eight billion, two hundred forty-eight million, thirty-seven thousand, eight hundred forty-two".