167148161 has 2 divisors, whose sum is σ = 167148162. Its totient is φ = 167148160.

The previous prime is 167148151. The next prime is 167148227. The reversal of 167148161 is 161841761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162817600 + 4330561 = 12760^2 + 2081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167148161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (167148151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83574080 + 83574081.

It is an arithmetic number, because the mean of its divisors is an integer number (83574081).

Almost surely, 2^167148161 is an apocalyptic number.

It is an amenable number.

167148161 is a deficient number, since it is larger than the sum of its proper divisors (1).

167148161 is an equidigital number, since it uses as much as digits as its factorization.

167148161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 167148161 is about 12928.5792336204. The cubic root of 167148161 is about 550.8506517143.

The spelling of 167148161 in words is "one hundred sixty-seven million, one hundred forty-eight thousand, one hundred sixty-one".