38163041518 has 12 divisors (see below), whose sum is σ = 66590613432. Its totient is φ = 16355589180.

The previous prime is 38163041513. The next prime is 38163041533. The reversal of 38163041518 is 81514036183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38163041513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194709298 + ... + 194709493.

It is an arithmetic number, because the mean of its divisors is an integer number (5549217786).

Almost surely, 2^38163041518 is an apocalyptic number.

38163041518 is a deficient number, since it is larger than the sum of its proper divisors (28427571914).

38163041518 is a wasteful number, since it uses less digits than its factorization.

38163041518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389418807 (or 389418800 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 38163041518 in words is "thirty-eight billion, one hundred sixty-three million, forty-one thousand, five hundred eighteen".