166429163 has 2 divisors, whose sum is σ = 166429164. Its totient is φ = 166429162.

The previous prime is 166429141. The next prime is 166429177. The reversal of 166429163 is 361924661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166429163 - 2⁸ = 166428907 is a prime.

It is not a weakly prime, because it can be changed into another prime (166429103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83214581 + 83214582.

It is an arithmetic number, because the mean of its divisors is an integer number (83214582).

Almost surely, 2^166429163 is an apocalyptic number.

166429163 is a deficient number, since it is larger than the sum of its proper divisors (1).

166429163 is an equidigital number, since it uses as much as digits as its factorization.

166429163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 166429163 is about 12900.7427305563. The cubic root of 166429163 is about 550.0596772711.

The spelling of 166429163 in words is "one hundred sixty-six million, four hundred twenty-nine thousand, one hundred sixty-three".