198312598088 has 32 divisors (see below), whose sum is σ = 405823599360. Its totient is φ = 90101158080.

The previous prime is 198312598087. The next prime is 198312598129. The reversal of 198312598088 is 880895213891.

It is a self number, because there is not a number n which added to its sum of digits gives 198312598088.

It is not an unprimeable number, because it can be changed into a prime (198312598087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316331 + ... + 704762.

It is an arithmetic number, because the mean of its divisors is an integer number (12681987480).

Almost surely, 2^198312598088 is an apocalyptic number.

It is an amenable number.

198312598088 is an abundant number, since it is smaller than the sum of its proper divisors (207511001272).

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

198312598088 is a wasteful number, since it uses less digits than its factorization.

198312598088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023317 (or 1023313 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 62.

The spelling of 198312598088 in words is "one hundred ninety-eight billion, three hundred twelve million, five hundred ninety-eight thousand, eighty-eight".