198792031320 has 96 divisors (see below), whose sum is σ = 646337830320. Its totient is φ = 52989569280.

The previous prime is 198792031271. The next prime is 198792031337. The reversal of 198792031320 is 23130297891.

198792031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 445861²-1.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780255 + ... + 1003185.

Almost surely, 2^198792031320 is an apocalyptic number.

198792031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198792031320 is an abundant number, since it is smaller than the sum of its proper divisors (447545799000).

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

198792031320 is a wasteful number, since it uses less digits than its factorization.

198792031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225425 (or 225418 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 198792031320 in words is "one hundred ninety-eight billion, seven hundred ninety-two million, thirty-one thousand, three hundred twenty".