166194268 has 12 divisors (see below), whose sum is σ = 295769880. Its totient is φ = 81688592.

The previous prime is 166194263. The next prime is 166194283. The reversal of 166194268 is 862491661.

166194268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166194263) 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 3 ways as a sum of consecutive naturals, for example, 351871 + ... + 352342.

It is an arithmetic number, because the mean of its divisors is an integer number (24647490).

Almost surely, 2^166194268 is an apocalyptic number.

It is an amenable number.

166194268 is a deficient number, since it is larger than the sum of its proper divisors (129575612).

166194268 is a wasteful number, since it uses less digits than its factorization.

166194268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704276 (or 704274 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 166194268 is about 12891.6355828110. The cubic root of 166194268 is about 549.8007741243.

The spelling of 166194268 in words is "one hundred sixty-six million, one hundred ninety-four thousand, two hundred sixty-eight".