167571866113 has 2 divisors, whose sum is σ = 167571866114. Its totient is φ = 167571866112.

The previous prime is 167571866101. The next prime is 167571866131. The reversal of 167571866113 is 311668175761.

Together with next prime (167571866131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134430755904 + 33141110209 = 366648^2 + 182047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167571866113 is a prime.

It is not a weakly prime, because it can be changed into another prime (167571866213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83785933056 + 83785933057.

It is an arithmetic number, because the mean of its divisors is an integer number (83785933057).

Almost surely, 2^167571866113 is an apocalyptic number.

It is an amenable number.

167571866113 is a deficient number, since it is larger than the sum of its proper divisors (1).

167571866113 is an equidigital number, since it uses as much as digits as its factorization.

167571866113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The spelling of 167571866113 in words is "one hundred sixty-seven billion, five hundred seventy-one million, eight hundred sixty-six thousand, one hundred thirteen".