16303533018 has 16 divisors (see below), whose sum is σ = 34525128960. Its totient is φ = 5114833856.

The previous prime is 16303533017. The next prime is 16303533023. The reversal of 16303533018 is 81033530361.

It is a self number, because there is not a number n which added to its sum of digits gives 16303533018.

It is not an unprimeable number, because it can be changed into a prime (16303533017) 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 7 ways as a sum of consecutive naturals, for example, 79919178 + ... + 79919381.

It is an arithmetic number, because the mean of its divisors is an integer number (2157820560).

Almost surely, 2^16303533018 is an apocalyptic number.

16303533018 is an abundant number, since it is smaller than the sum of its proper divisors (18221595942).

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

16303533018 is a wasteful number, since it uses less digits than its factorization.

16303533018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159838581.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 16303533018 in words is "sixteen billion, three hundred three million, five hundred thirty-three thousand, eighteen".