162001117 has 2 divisors, whose sum is σ = 162001118. Its totient is φ = 162001116.

The previous prime is 162001069. The next prime is 162001129. The reversal of 162001117 is 711100261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134815321 + 27185796 = 11611^2 + 5214^2 .

It is a cyclic number.

It is not a de Polignac number, because 162001117 - 2²³ = 153612509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162001094 and 162001103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162001157) 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 as a sum of consecutive naturals, namely, 81000558 + 81000559.

It is an arithmetic number, because the mean of its divisors is an integer number (81000559).

Almost surely, 2^162001117 is an apocalyptic number.

It is an amenable number.

162001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

162001117 is an equidigital number, since it uses as much as digits as its factorization.

162001117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 162001117 is about 12727.9659411864. The cubic root of 162001117 is about 545.1374307626.

Adding to 162001117 its reverse (711100261), we get a palindrome (873101378).

The spelling of 162001117 in words is "one hundred sixty-two million, one thousand, one hundred seventeen".