198418160 has 20 divisors (see below), whose sum is σ = 461322408. Its totient is φ = 79367232.

The previous prime is 198418141. The next prime is 198418189. The reversal of 198418160 is 61814891.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1240034 + ... + 1240193.

Almost surely, 2^198418160 is an apocalyptic number.

198418160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198418160 is an abundant number, since it is smaller than the sum of its proper divisors (262904248).

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

198418160 is a wasteful number, since it uses less digits than its factorization.

198418160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480240 (or 2480234 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 198418160 is about 14086.0981112585. The cubic root of 198418160 is about 583.2576888759.

The spelling of 198418160 in words is "one hundred ninety-eight million, four hundred eighteen thousand, one hundred sixty".