198298761862836 has 24 divisors (see below), whose sum is σ = 462928113121824. Its totient is φ = 66066586986400.

The previous prime is 198298761862811. The next prime is 198298761862889. The reversal of 198298761862836 is 638268167892891.

It is a congruent number.

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, 4125012615 + ... + 4125060686.

It is an arithmetic number, because the mean of its divisors is an integer number (19288671380076).

Almost surely, 2^{198298761862836} is an apocalyptic number.

It is an amenable number.

198298761862836 is an abundant number, since it is smaller than the sum of its proper divisors (264629351258988).

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

198298761862836 is a wasteful number, since it uses less digits than its factorization.

198298761862836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250075311 (or 8250075309 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 84.

The spelling of 198298761862836 in words is "one hundred ninety-eight trillion, two hundred ninety-eight billion, seven hundred sixty-one million, eight hundred sixty-two thousand, eight hundred thirty-six".