162398871 has 16 divisors (see below), whose sum is σ = 253254400. Its totient is φ = 102567384.

The previous prime is 162398867. The next prime is 162398891. The reversal of 162398871 is 178893261.

It is not a de Polignac number, because 162398871 - 2² = 162398867 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 (162398851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157771 + ... + 158796.

It is an arithmetic number, because the mean of its divisors is an integer number (15828400).

Almost surely, 2^162398871 is an apocalyptic number.

162398871 is a deficient number, since it is larger than the sum of its proper divisors (90855529).

162398871 is a wasteful number, since it uses less digits than its factorization.

162398871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316595 (or 316589 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 162398871 is about 12743.5815609271. The cubic root of 162398871 is about 545.5832165309.

The spelling of 162398871 in words is "one hundred sixty-two million, three hundred ninety-eight thousand, eight hundred seventy-one".