38181818182 has 8 divisors (see below), whose sum is σ = 60287081400. Its totient is φ = 18086124384.

The previous prime is 38181818159. The next prime is 38181818183. The reversal of 38181818182 is 28181818183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38181818183) 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 in 3 ways as a sum of consecutive naturals, for example, 502392307 + ... + 502392382.

It is an arithmetic number, because the mean of its divisors is an integer number (7535885175).

Almost surely, 2^38181818182 is an apocalyptic number.

38181818182 is a deficient number, since it is larger than the sum of its proper divisors (22105263218).

38181818182 is a wasteful number, since it uses less digits than its factorization.

38181818182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004784710.

The product of its digits is 196608, while the sum is 49.

Subtracting from 38181818182 its reverse (28181818183), we obtain a palindrome (9999999999).

The spelling of 38181818182 in words is "thirty-eight billion, one hundred eighty-one million, eight hundred eighteen thousand, one hundred eighty-two".