166432463 has 2 divisors, whose sum is σ = 166432464. Its totient is φ = 166432462.

The previous prime is 166432417. The next prime is 166432477. The reversal of 166432463 is 364234661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166432463 - 2⁸ = 166432207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166432963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83216231 + 83216232.

It is an arithmetic number, because the mean of its divisors is an integer number (83216232).

Almost surely, 2^166432463 is an apocalyptic number.

166432463 is a deficient number, since it is larger than the sum of its proper divisors (1).

166432463 is an equidigital number, since it uses as much as digits as its factorization.

166432463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

The square root of 166432463 is about 12900.8706295350. The cubic root of 166432463 is about 550.0633128217.

The spelling of 166432463 in words is "one hundred sixty-six million, four hundred thirty-two thousand, four hundred sixty-three".