38666168 has 8 divisors (see below), whose sum is σ = 72499080. Its totient is φ = 19333080.

The previous prime is 38666161. The next prime is 38666179. The reversal of 38666168 is 86166683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666161) 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, 2416628 + ... + 2416643.

It is an arithmetic number, because the mean of its divisors is an integer number (9062385).

Almost surely, 2^38666168 is an apocalyptic number.

It is an amenable number.

38666168 is a deficient number, since it is larger than the sum of its proper divisors (33832912).

38666168 is a wasteful number, since it uses less digits than its factorization.

38666168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833277 (or 4833273 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 38666168 is about 6218.2126049211. The cubic root of 38666168 is about 338.1507677935.

The spelling of 38666168 in words is "thirty-eight million, six hundred sixty-six thousand, one hundred sixty-eight".