162424081 has 2 divisors, whose sum is σ = 162424082. Its totient is φ = 162424080.

The previous prime is 162424037. The next prime is 162424123. The reversal of 162424081 is 180424261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161798400 + 625681 = 12720^2 + 791^2 .

It is a cyclic number.

It is not a de Polignac number, because 162424081 - 2¹⁷ = 162293009 is a prime.

It is a super-2 number, since 2×162424081² = 52763164177389122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162424481) 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 as a sum of consecutive naturals, namely, 81212040 + 81212041.

It is an arithmetic number, because the mean of its divisors is an integer number (81212041).

Almost surely, 2^162424081 is an apocalyptic number.

It is an amenable number.

162424081 is a deficient number, since it is larger than the sum of its proper divisors (1).

162424081 is an equidigital number, since it uses as much as digits as its factorization.

162424081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 162424081 is about 12744.5706479269. The cubic root of 162424081 is about 545.6114462863.

The spelling of 162424081 in words is "one hundred sixty-two million, four hundred twenty-four thousand, eighty-one".