198768145368 has 96 divisors (see below), whose sum is σ = 542848433040. Its totient is φ = 60618055680.

The previous prime is 198768145337. The next prime is 198768145393. The reversal of 198768145368 is 863541867891.

It is a happy number.

198768145368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198768145368² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198768145299 and 198768145308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241488 + ... + 675168.

Almost surely, 2^198768145368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198768145368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271424216520).

198768145368 is an abundant number, since it is smaller than the sum of its proper divisors (344080287672).

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

198768145368 is a wasteful number, since it uses less digits than its factorization.

198768145368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433829 (or 433812 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 66.

The spelling of 198768145368 in words is "one hundred ninety-eight billion, seven hundred sixty-eight million, one hundred forty-five thousand, three hundred sixty-eight".