198168200534720 has 56 divisors (see below), whose sum is σ = 508187106574224. Its totient is φ = 73169797118976.

The previous prime is 198168200534581. The next prime is 198168200534753. The reversal of 198168200534720 is 27435002861891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23818289174 + ... + 23818297493.

It is an arithmetic number, because the mean of its divisors is an integer number (9074769760254).

It is a 1-persistent number, because it is pandigital, but 2⋅198168200534720 = 396336401069440 is not.

Almost surely, 2^{198168200534720} is an apocalyptic number.

198168200534720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198168200534720 is an abundant number, since it is smaller than the sum of its proper divisors (310018906039504).

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

198168200534720 is a wasteful number, since it uses less digits than its factorization.

198168200534720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47636586697 (or 47636586687 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 198168200534720 in words is "one hundred ninety-eight trillion, one hundred sixty-eight billion, two hundred million, five hundred thirty-four thousand, seven hundred twenty".