166471163 has 2 divisors, whose sum is σ = 166471164. Its totient is φ = 166471162.

The previous prime is 166471139. The next prime is 166471169. The reversal of 166471163 is 361174661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166471163 - 2¹⁶ = 166405627 is a prime.

It is a super-2 number, since 2×166471163² = 55425296221145138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (166471169) 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, 83235581 + 83235582.

It is an arithmetic number, because the mean of its divisors is an integer number (83235582).

Almost surely, 2^166471163 is an apocalyptic number.

166471163 is a deficient number, since it is larger than the sum of its proper divisors (1).

166471163 is an equidigital number, since it uses as much as digits as its factorization.

166471163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 166471163 is about 12902.3704411244. The cubic root of 166471163 is about 550.1059443293.

It can be divided in two parts, 1664 and 71163, that added together give a palindrome (72827).

The spelling of 166471163 in words is "one hundred sixty-six million, four hundred seventy-one thousand, one hundred sixty-three".