198702168 has 128 divisors (see below), whose sum is σ = 584908800. Its totient is φ = 55085184.

The previous prime is 198702151. The next prime is 198702187. The reversal of 198702168 is 861207891.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1429443 + ... + 1429581.

It is an arithmetic number, because the mean of its divisors is an integer number (4569600).

Almost surely, 2^198702168 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 198702168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292454400).

198702168 is an abundant number, since it is smaller than the sum of its proper divisors (386206632).

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

198702168 is a wasteful number, since it uses less digits than its factorization.

198702168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 198702168 is about 14096.1756515730. The cubic root of 198702168 is about 583.5358402938.

The spelling of 198702168 in words is "one hundred ninety-eight million, seven hundred two thousand, one hundred sixty-eight".