38163668 has 12 divisors (see below), whose sum is σ = 67235700. Its totient is φ = 18953472.

The previous prime is 38163659. The next prime is 38163673. The reversal of 38163668 is 86636183.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 15904144 = 4718^2 + 3988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31421 + ... + 32612.

It is an arithmetic number, because the mean of its divisors is an integer number (5602975).

Almost surely, 2^38163668 is an apocalyptic number.

It is an amenable number.

38163668 is a deficient number, since it is larger than the sum of its proper divisors (29072032).

38163668 is a wasteful number, since it uses less digits than its factorization.

38163668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64186 (or 64184 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 38163668 is about 6177.6749671701. The cubic root of 38163668 is about 336.6795228673.

The spelling of 38163668 in words is "thirty-eight million, one hundred sixty-three thousand, six hundred sixty-eight".