167165549 has 2 divisors, whose sum is σ = 167165550. Its totient is φ = 167165548.

The previous prime is 167165527. The next prime is 167165567. The reversal of 167165549 is 945561761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156700324 + 10465225 = 12518^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 167165549 - 2⁸ = 167165293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167161549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83582774 + 83582775.

It is an arithmetic number, because the mean of its divisors is an integer number (83582775).

Almost surely, 2^167165549 is an apocalyptic number.

It is an amenable number.

167165549 is a deficient number, since it is larger than the sum of its proper divisors (1).

167165549 is an equidigital number, since it uses as much as digits as its factorization.

167165549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 167165549 is about 12929.2516798150. The cubic root of 167165549 is about 550.8697522515.

The spelling of 167165549 in words is "one hundred sixty-seven million, one hundred sixty-five thousand, five hundred forty-nine".