16338382018 has 16 divisors (see below), whose sum is σ = 28010511360. Its totient is φ = 7001699616.

The previous prime is 16338381991. The next prime is 16338382019. The reversal of 16338382018 is 81028383361.

It is a super-2 number, since 2×16338382018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16338382019) 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, 259198 + ... + 316006.

It is an arithmetic number, because the mean of its divisors is an integer number (1750656960).

Almost surely, 2^16338382018 is an apocalyptic number.

16338382018 is a deficient number, since it is larger than the sum of its proper divisors (11672129342).

16338382018 is a wasteful number, since it uses less digits than its factorization.

16338382018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77361.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 16338382018 in words is "sixteen billion, three hundred thirty-eight million, three hundred eighty-two thousand, eighteen".