162118216 has 16 divisors (see below), whose sum is σ = 327354300. Its totient is φ = 74823744.

The previous prime is 162118199. The next prime is 162118249. The reversal of 162118216 is 612811261.

It can be written as a sum of positive squares in 2 ways, for example, as 136656100 + 25462116 = 11690^2 + 5046^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 779311 + ... + 779518.

Almost surely, 2^162118216 is an apocalyptic number.

It is an amenable number.

162118216 is an abundant number, since it is smaller than the sum of its proper divisors (165236084).

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

162118216 is a wasteful number, since it uses less digits than its factorization.

162118216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558848 (or 1558844 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 162118216 is about 12732.5651775281. The cubic root of 162118216 is about 545.2687460580.

Adding to 162118216 its reverse (612811261), we get a palindrome (774929477).

The spelling of 162118216 in words is "one hundred sixty-two million, one hundred eighteen thousand, two hundred sixteen".