166942323 has 8 divisors (see below), whose sum is σ = 247322000. Its totient is φ = 111294864.

The previous prime is 166942291. The next prime is 166942327. The reversal of 166942323 is 323249661.

It is not a de Polignac number, because 166942323 - 2⁵ = 166942291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166942327) 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 in 7 ways as a sum of consecutive naturals, for example, 3091498 + ... + 3091551.

It is an arithmetic number, because the mean of its divisors is an integer number (30915250).

Almost surely, 2^166942323 is an apocalyptic number.

166942323 is a deficient number, since it is larger than the sum of its proper divisors (80379677).

166942323 is an equidigital number, since it uses as much as digits as its factorization.

166942323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183058 (or 6183052 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 166942323 is about 12920.6162004759. The cubic root of 166942323 is about 550.6244400877.

The spelling of 166942323 in words is "one hundred sixty-six million, nine hundred forty-two thousand, three hundred twenty-three".