198450468727104 has 112 divisors (see below), whose sum is σ = 572835558375360. Its totient is φ = 60132795248640.

The previous prime is 198450468727079. The next prime is 198450468727117. The reversal of 198450468727104 is 401727864054891.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31435692 + ... + 37216980.

It is an arithmetic number, because the mean of its divisors is an integer number (5114603199780).

Almost surely, 2^{198450468727104} is an apocalyptic number.

It is an amenable number.

198450468727104 is an abundant number, since it is smaller than the sum of its proper divisors (374385089648256).

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

198450468727104 is a wasteful number, since it uses less digits than its factorization.

198450468727104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797568 (or 5797558 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 198450468727104 in words is "one hundred ninety-eight trillion, four hundred fifty billion, four hundred sixty-eight million, seven hundred twenty-seven thousand, one hundred four".