167161427 has 2 divisors, whose sum is σ = 167161428. Its totient is φ = 167161426.

The previous prime is 167161409. The next prime is 167161429. The reversal of 167161427 is 724161761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167161427 - 2¹⁶ = 167095891 is a prime.

Together with 167161429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167161429) 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, 83580713 + 83580714.

It is an arithmetic number, because the mean of its divisors is an integer number (83580714).

Almost surely, 2^167161427 is an apocalyptic number.

167161427 is a deficient number, since it is larger than the sum of its proper divisors (1).

167161427 is an equidigital number, since it uses as much as digits as its factorization.

167161427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 167161427 is about 12929.0922728550. The cubic root of 167161427 is about 550.8652243971.

The spelling of 167161427 in words is "one hundred sixty-seven million, one hundred sixty-one thousand, four hundred twenty-seven".