166013 has 2 divisors, whose sum is σ = 166014. Its totient is φ = 166012.

The previous prime is 165983. The next prime is 166021. The reversal of 166013 is 310661.

166013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 34969 = 362^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 166013 - 2¹⁴ = 149629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 165982 and 166000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83006 + 83007.

It is an arithmetic number, because the mean of its divisors is an integer number (83007).

2¹⁶⁶⁰¹³ is an apocalyptic number.

It is an amenable number.

166013 is a deficient number, since it is larger than the sum of its proper divisors (1).

166013 is an equidigital number, since it uses as much as digits as its factorization.

166013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 166013 is about 407.4469290595. The cubic root of 166013 is about 54.9600812270.

Adding to 166013 its reverse (310661), we get a palindrome (476674).

The spelling of 166013 in words is "one hundred sixty-six thousand, thirteen".