198434001152 has 72 divisors (see below), whose sum is σ = 399741253632. Its totient is φ = 98307276800.

The previous prime is 198434001149. The next prime is 198434001179. The reversal of 198434001152 is 251100434891.

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, 12558377 + ... + 12574167.

It is an arithmetic number, because the mean of its divisors is an integer number (5551961856).

Almost surely, 2^198434001152 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 198434001152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199870626816).

198434001152 is an abundant number, since it is smaller than the sum of its proper divisors (201307252480).

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

198434001152 is a wasteful number, since it uses less digits than its factorization.

198434001152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255 (or 16241 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 198434001152 in words is "one hundred ninety-eight billion, four hundred thirty-four million, one thousand, one hundred fifty-two".