198830051328 has 104 divisors (see below), whose sum is σ = 541430080128. Its totient is φ = 64866353152.

The previous prime is 198830051311. The next prime is 198830051363. The reversal of 198830051328 is 823150038891.

It is a super-2 number, since 2×198830051328² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 405400 + ... + 749672.

Almost surely, 2^198830051328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198830051328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270715040064).

198830051328 is an abundant number, since it is smaller than the sum of its proper divisors (342600028800).

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

198830051328 is an equidigital number, since it uses as much as digits as its factorization.

198830051328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344347 (or 344325 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 198830051328 in words is "one hundred ninety-eight billion, eight hundred thirty million, fifty-one thousand, three hundred twenty-eight".