167226013 has 2 divisors, whose sum is σ = 167226014. Its totient is φ = 167226012.

The previous prime is 167225999. The next prime is 167226019. The reversal of 167226013 is 310622761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119311929 + 47914084 = 10923^2 + 6922^2 .

It is a cyclic number.

It is not a de Polignac number, because 167226013 - 2²¹ = 165128861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167226019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83613006 + 83613007.

It is an arithmetic number, because the mean of its divisors is an integer number (83613007).

Almost surely, 2^167226013 is an apocalyptic number.

It is an amenable number.

167226013 is a deficient number, since it is larger than the sum of its proper divisors (1).

167226013 is an equidigital number, since it uses as much as digits as its factorization.

167226013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 167226013 is about 12931.5897321250. The cubic root of 167226013 is about 550.9361610179.

Adding to 167226013 its reverse (310622761), we get a palindrome (477848774).

The spelling of 167226013 in words is "one hundred sixty-seven million, two hundred twenty-six thousand, thirteen".