198545506056108 has 36 divisors (see below), whose sum is σ = 502083017097480. Its totient is φ = 66154921196736.

The previous prime is 198545506056089. The next prime is 198545506056109. The reversal of 198545506056108 is 801650605545891.

198545506056108 is a `hidden beast` number, since 1 + 9 + 8 + 5 + 4 + 5 + 5 + 0 + 6 + 0 + 5 + 610 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (198545506056109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1121333385 + ... + 1121510432.

It is an arithmetic number, because the mean of its divisors is an integer number (13946750474930).

Almost surely, 2^{198545506056108} is an apocalyptic number.

198545506056108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

198545506056108 is an abundant number, since it is smaller than the sum of its proper divisors (303537511041372).

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

198545506056108 is a wasteful number, since it uses less digits than its factorization.

198545506056108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242846286 (or 2242846281 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 63.

The spelling of 198545506056108 in words is "one hundred ninety-eight trillion, five hundred forty-five billion, five hundred six million, fifty-six thousand, one hundred eight".