198770080998 has 16 divisors (see below), whose sum is σ = 404057214576. Its totient is φ = 65170518240.

The previous prime is 198770080997. The next prime is 198770081017. The reversal of 198770080998 is 899080077891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198770080991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 271543461 + ... + 271544192.

It is an arithmetic number, because the mean of its divisors is an integer number (25253575911).

Almost surely, 2^198770080998 is an apocalyptic number.

198770080998 is an abundant number, since it is smaller than the sum of its proper divisors (205287133578).

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

198770080998 is a wasteful number, since it uses less digits than its factorization.

198770080998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543087719.

The product of its (nonzero) digits is 18289152, while the sum is 66.

The spelling of 198770080998 in words is "one hundred ninety-eight billion, seven hundred seventy million, eighty thousand, nine hundred ninety-eight".