162135198 has 24 divisors (see below), whose sum is σ = 359464248. Its totient is φ = 52787952.

The previous prime is 162135187. The next prime is 162135203. The reversal of 162135198 is 891531261.

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 11 ways as a sum of consecutive naturals, for example, 103965 + ... + 105512.

It is an arithmetic number, because the mean of its divisors is an integer number (14977677).

Almost surely, 2^162135198 is an apocalyptic number.

162135198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162135198 is an abundant number, since it is smaller than the sum of its proper divisors (197329050).

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

162135198 is a wasteful number, since it uses less digits than its factorization.

162135198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209528 (or 209525 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 162135198 is about 12733.2320327559. The cubic root of 162135198 is about 545.2877844913.

The spelling of 162135198 in words is "one hundred sixty-two million, one hundred thirty-five thousand, one hundred ninety-eight".