18383636382 has 16 divisors (see below), whose sum is σ = 37232682240. Its totient is φ = 6050310552.

The previous prime is 18383636317. The next prime is 18383636387. The reversal of 18383636382 is 28363638381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18383636387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19391548 + ... + 19392495.

It is an arithmetic number, because the mean of its divisors is an integer number (2327042640).

Almost surely, 2^18383636382 is an apocalyptic number.

18383636382 is an abundant number, since it is smaller than the sum of its proper divisors (18849045858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18383636382 is a wasteful number, since it uses less digits than its factorization.

18383636382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38784127.

The product of its digits is 2985984, while the sum is 51.

The spelling of 18383636382 in words is "eighteen billion, three hundred eighty-three million, six hundred thirty-six thousand, three hundred eighty-two".