16731464018 has 8 divisors (see below), whose sum is σ = 25216140720. Its totient is φ = 8326083780.

The previous prime is 16731464017. The next prime is 16731464027. The reversal of 16731464018 is 81046413761.

16731464018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (16731464017) 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, 19823588 + ... + 19824431.

It is an arithmetic number, because the mean of its divisors is an integer number (3152017590).

Almost surely, 2^16731464018 is an apocalyptic number.

16731464018 is a deficient number, since it is larger than the sum of its proper divisors (8484676702).

16731464018 is a wasteful number, since it uses less digits than its factorization.

16731464018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39648232.

The product of its (nonzero) digits is 96768, while the sum is 41.

Adding to 16731464018 its reverse (81046413761), we get a palindrome (97777877779).

The spelling of 16731464018 in words is "sixteen billion, seven hundred thirty-one million, four hundred sixty-four thousand, eighteen".