162611 has 2 divisors, whose sum is σ = 162612. Its totient is φ = 162610.

The previous prime is 162601. The next prime is 162623. The reversal of 162611 is 116261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162611 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162611.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162611.

It is not a weakly prime, because it can be changed into another prime (162601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81305 + 81306.

It is an arithmetic number, because the mean of its divisors is an integer number (81306).

2¹⁶²⁶¹¹ is an apocalyptic number.

162611 is a deficient number, since it is larger than the sum of its proper divisors (1).

162611 is an equidigital number, since it uses as much as digits as its factorization.

162611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 162611 is about 403.2505424671. The cubic root of 162611 is about 54.5820664132.

Adding to 162611 its reverse (116261), we get a palindrome (278872).

The spelling of 162611 in words is "one hundred sixty-two thousand, six hundred eleven".