167154161 has 2 divisors, whose sum is σ = 167154162. Its totient is φ = 167154160.

The previous prime is 167154109. The next prime is 167154167. The reversal of 167154161 is 161451761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117310561 + 49843600 = 10831^2 + 7060^2 .

It is an emirp because it is prime and its reverse (161451761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167154161 - 2¹⁴ = 167137777 is a prime.

It is a super-2 number, since 2×167154161² = 55881027079227842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167154167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83577080 + 83577081.

It is an arithmetic number, because the mean of its divisors is an integer number (83577081).

Almost surely, 2^167154161 is an apocalyptic number.

It is an amenable number.

167154161 is a deficient number, since it is larger than the sum of its proper divisors (1).

167154161 is an equidigital number, since it uses as much as digits as its factorization.

167154161 is an evil number, because the sum of its binary digits is even.

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

The square root of 167154161 is about 12928.8112755968. The cubic root of 167154161 is about 550.8572428016.

The spelling of 167154161 in words is "one hundred sixty-seven million, one hundred fifty-four thousand, one hundred sixty-one".