162011 has 2 divisors, whose sum is σ = 162012. Its totient is φ = 162010.

The previous prime is 162007. The next prime is 162017. The reversal of 162011 is 110261.

162011 is nontrivially palindromic in base 13.

It is a weak prime.

It is an emirp because it is prime and its reverse (110261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162011 - 2² = 162007 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 161983 and 162001.

It is not a weakly prime, because it can be changed into another prime (162017) 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, 81005 + 81006.

It is an arithmetic number, because the mean of its divisors is an integer number (81006).

2¹⁶²⁰¹¹ is an apocalyptic number.

162011 is a deficient number, since it is larger than the sum of its proper divisors (1).

162011 is an equidigital number, since it uses as much as digits as its factorization.

162011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 162011 is about 402.5059005779. The cubic root of 162011 is about 54.5148516044.

Adding to 162011 its reverse (110261), we get a palindrome (272272).

The spelling of 162011 in words is "one hundred sixty-two thousand, eleven".