198742998162 has 16 divisors (see below), whose sum is σ = 418406312160. Its totient is φ = 62760946752.

The previous prime is 198742998101. The next prime is 198742998169. The reversal of 198742998162 is 261899247891.

It is a junction number, because it is equal to n+sod(n) for n = 198742998093 and 198742998102.

It is not an unprimeable number, because it can be changed into a prime (198742998169) 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, 871679703 + ... + 871679930.

It is an arithmetic number, because the mean of its divisors is an integer number (26150394510).

Almost surely, 2^198742998162 is an apocalyptic number.

198742998162 is an abundant number, since it is smaller than the sum of its proper divisors (219663313998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198742998162 is a wasteful number, since it uses less digits than its factorization.

198742998162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743359657.

The product of its digits is 31352832, while the sum is 66.

The spelling of 198742998162 in words is "one hundred ninety-eight billion, seven hundred forty-two million, nine hundred ninety-eight thousand, one hundred sixty-two".