198281617170 has 256 divisors, whose sum is σ = 590044815360. Its totient is φ = 41525913600.

The previous prime is 198281617103. The next prime is 198281617181. The reversal of 198281617170 is 71716182891.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 347252985 + ... + 347253555.

It is an arithmetic number, because the mean of its divisors is an integer number (2304862560).

Almost surely, 2^198281617170 is an apocalyptic number.

198281617170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 198281617170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295022407680).

198281617170 is an abundant number, since it is smaller than the sum of its proper divisors (391763198190).

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

198281617170 is a wasteful number, since it uses less digits than its factorization.

198281617170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 338688, while the sum is 51.

The spelling of 198281617170 in words is "one hundred ninety-eight billion, two hundred eighty-one million, six hundred seventeen thousand, one hundred seventy".