162118417 has 2 divisors, whose sum is σ = 162118418. Its totient is φ = 162118416.

The previous prime is 162118399. The next prime is 162118447. The reversal of 162118417 is 714811261.

162118417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159163456 + 2954961 = 12616^2 + 1719^2 .

It is a cyclic number.

It is not a de Polignac number, because 162118417 - 2⁷ = 162118289 is a prime.

It is a super-2 number, since 2×162118417² = 52564762261171778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162118447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81059208 + 81059209.

It is an arithmetic number, because the mean of its divisors is an integer number (81059209).

Almost surely, 2^162118417 is an apocalyptic number.

It is an amenable number.

162118417 is a deficient number, since it is larger than the sum of its proper divisors (1).

162118417 is an equidigital number, since it uses as much as digits as its factorization.

162118417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 31.

The square root of 162118417 is about 12732.5730706719. The cubic root of 162118417 is about 545.2689714058.

Adding to 162118417 its reverse (714811261), we get a palindrome (876929678).

The spelling of 162118417 in words is "one hundred sixty-two million, one hundred eighteen thousand, four hundred seventeen".