162198871 has 4 divisors (see below), whose sum is σ = 162299592. Its totient is φ = 162098152.

The previous prime is 162198863. The next prime is 162198899. The reversal of 162198871 is 178891261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178891261 = 239 ⋅748499.

It is a cyclic number.

It is not a de Polignac number, because 162198871 - 2³ = 162198863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162196871) by changing a digit.

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, 47905 + ... + 51178.

It is an arithmetic number, because the mean of its divisors is an integer number (40574898).

Almost surely, 2^162198871 is an apocalyptic number.

162198871 is a deficient number, since it is larger than the sum of its proper divisors (100721).

162198871 is an equidigital number, since it uses as much as digits as its factorization.

162198871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100720.

The product of its digits is 48384, while the sum is 43.

The square root of 162198871 is about 12735.7320559126. The cubic root of 162198871 is about 545.3591561315.

The spelling of 162198871 in words is "one hundred sixty-two million, one hundred ninety-eight thousand, eight hundred seventy-one".