167541161 has 2 divisors, whose sum is σ = 167541162. Its totient is φ = 167541160.

The previous prime is 167541097. The next prime is 167541167. The reversal of 167541161 is 161145761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 41203561 = 11240^2 + 6419^2 .

It is a cyclic number.

It is not a de Polignac number, because 167541161 - 2⁶ = 167541097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167541167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83770580 + 83770581.

It is an arithmetic number, because the mean of its divisors is an integer number (83770581).

Almost surely, 2^167541161 is an apocalyptic number.

It is an amenable number.

167541161 is a deficient number, since it is larger than the sum of its proper divisors (1).

167541161 is an equidigital number, since it uses as much as digits as its factorization.

167541161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 167541161 is about 12943.7691960263. The cubic root of 167541161 is about 551.2820351839.

The spelling of 167541161 in words is "one hundred sixty-seven million, five hundred forty-one thousand, one hundred sixty-one".