198358613488 has 40 divisors (see below), whose sum is σ = 439263394272. Its totient is φ = 85002947328.

The previous prime is 198358613471. The next prime is 198358613501. The reversal of 198358613488 is 884316853891.

It is a super-2 number, since 2×198358613488² (a number of 23 digits) contains 22 as substring.

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, 1222506 + ... + 1375222.

Almost surely, 2^198358613488 is an apocalyptic number.

It is an amenable number.

198358613488 is an abundant number, since it is smaller than the sum of its proper divisors (240904780784).

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

198358613488 is a wasteful number, since it uses less digits than its factorization.

198358613488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164329 (or 164323 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 64.

The spelling of 198358613488 in words is "one hundred ninety-eight billion, three hundred fifty-eight million, six hundred thirteen thousand, four hundred eighty-eight".