167066111621567 has 2 divisors, whose sum is σ = 167066111621568. Its totient is φ = 167066111621566.

The previous prime is 167066111621561. The next prime is 167066111621569. The reversal of 167066111621567 is 765126111660761.

It is a strong prime.

It is an emirp because it is prime and its reverse (765126111660761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167066111621567 is a prime.

It is a super-2 number, since 2×167066111621567² (a number of 29 digits) contains 22 as substring.

Together with 167066111621569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167066111621561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83533055810783 + 83533055810784.

It is an arithmetic number, because the mean of its divisors is an integer number (83533055810784).

Almost surely, 2^{167066111621567} is an apocalyptic number.

167066111621567 is a deficient number, since it is larger than the sum of its proper divisors (1).

167066111621567 is an equidigital number, since it uses as much as digits as its factorization.

167066111621567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 167066111621567 in words is "one hundred sixty-seven trillion, sixty-six billion, one hundred eleven million, six hundred twenty-one thousand, five hundred sixty-seven".