166119323 has 2 divisors, whose sum is σ = 166119324. Its totient is φ = 166119322.

The previous prime is 166119313. The next prime is 166119341. The reversal of 166119323 is 323911661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166119323 - 2⁶ = 166119259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166119323.

It is not a weakly prime, because it can be changed into another prime (166119313) 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, 83059661 + 83059662.

It is an arithmetic number, because the mean of its divisors is an integer number (83059662).

Almost surely, 2^166119323 is an apocalyptic number.

166119323 is a deficient number, since it is larger than the sum of its proper divisors (1).

166119323 is an equidigital number, since it uses as much as digits as its factorization.

166119323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 166119323 is about 12888.7285253434. The cubic root of 166119323 is about 549.7181178153.

The spelling of 166119323 in words is "one hundred sixty-six million, one hundred nineteen thousand, three hundred twenty-three".