198425293558 has 8 divisors (see below), whose sum is σ = 307901317680. Its totient is φ = 95791521000.

The previous prime is 198425293523. The next prime is 198425293607. The reversal of 198425293558 is 855392524891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 198425293496 and 198425293505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710562818 + ... + 1710562933.

It is an arithmetic number, because the mean of its divisors is an integer number (38487664710).

Almost surely, 2^198425293558 is an apocalyptic number.

198425293558 is a deficient number, since it is larger than the sum of its proper divisors (109476024122).

198425293558 is a wasteful number, since it uses less digits than its factorization.

198425293558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421125782.

The product of its digits is 31104000, while the sum is 61.

The spelling of 198425293558 in words is "one hundred ninety-eight billion, four hundred twenty-five million, two hundred ninety-three thousand, five hundred fifty-eight".