166182923 has 2 divisors, whose sum is σ = 166182924. Its totient is φ = 166182922.

The previous prime is 166182893. The next prime is 166182941. The reversal of 166182923 is 329281661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166182923 - 2⁶ = 166182859 is a prime.

It is not a weakly prime, because it can be changed into another prime (166182943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83091461 + 83091462.

It is an arithmetic number, because the mean of its divisors is an integer number (83091462).

Almost surely, 2^166182923 is an apocalyptic number.

166182923 is a deficient number, since it is larger than the sum of its proper divisors (1).

166182923 is an equidigital number, since it uses as much as digits as its factorization.

166182923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 166182923 is about 12891.1955613124. The cubic root of 166182923 is about 549.7882634006.

The spelling of 166182923 in words is "one hundred sixty-six million, one hundred eighty-two thousand, nine hundred twenty-three".