38163663 has 16 divisors (see below), whose sum is σ = 57091840. Its totient is φ = 25193592.

The previous prime is 38163659. The next prime is 38163673. The reversal of 38163663 is 36636183.

38163663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38163663 - 2² = 38163659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38163673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081 + ... + 9642.

It is an arithmetic number, because the mean of its divisors is an integer number (3568240).

Almost surely, 2^38163663 is an apocalyptic number.

38163663 is a deficient number, since it is larger than the sum of its proper divisors (18928177).

38163663 is a wasteful number, since it uses less digits than its factorization.

38163663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13835 (or 13829 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 38163663 is about 6177.6745624871. The cubic root of 38163663 is about 336.6795081640.

The spelling of 38163663 in words is "thirty-eight million, one hundred sixty-three thousand, six hundred sixty-three".