166846168 has 8 divisors (see below), whose sum is σ = 312836580. Its totient is φ = 83423080.

The previous prime is 166846153. The next prime is 166846171. The reversal of 166846168 is 861648661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 10427878 + ... + 10427893.

Almost surely, 2^166846168 is an apocalyptic number.

It is an amenable number.

166846168 is a deficient number, since it is larger than the sum of its proper divisors (145990412).

166846168 is a wasteful number, since it uses less digits than its factorization.

166846168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855777 (or 20855773 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 166846168 is about 12916.8946732564. The cubic root of 166846168 is about 550.5187040458.

The spelling of 166846168 in words is "one hundred sixty-six million, eight hundred forty-six thousand, one hundred sixty-eight".