198373171392 has 224 divisors, whose sum is σ = 644916322560. Its totient is φ = 59289200640.

The previous prime is 198373171333. The next prime is 198373171397. The reversal of 198373171392 is 293171373891.

198373171392 is a `hidden beast` number, since 1 + 9 + 83 + 7 + 3 + 171 + 392 = 666.

198373171392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (198373171397) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1316103 + ... + 1459065.

Almost surely, 2^198373171392 is an apocalyptic number.

198373171392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198373171392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322458161280).

198373171392 is an abundant number, since it is smaller than the sum of its proper divisors (446543151168).

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

198373171392 is a wasteful number, since it uses less digits than its factorization.

198373171392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143068 (or 143052 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The spelling of 198373171392 in words is "one hundred ninety-eight billion, three hundred seventy-three million, one hundred seventy-one thousand, three hundred ninety-two".