16456312418 has 32 divisors (see below), whose sum is σ = 30441936000. Its totient is φ = 6497107200.

The previous prime is 16456312417. The next prime is 16456312441. The reversal of 16456312418 is 81421365461.

It is not an unprimeable number, because it can be changed into a prime (16456312417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218 + ... + 181418.

It is an arithmetic number, because the mean of its divisors is an integer number (951310500).

Almost surely, 2^16456312418 is an apocalyptic number.

16456312418 is a deficient number, since it is larger than the sum of its proper divisors (13985623582).

16456312418 is a wasteful number, since it uses less digits than its factorization.

16456312418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181722.

The product of its digits is 138240, while the sum is 41.

Adding to 16456312418 its reverse (81421365461), we get a palindrome (97877677879).

The spelling of 16456312418 in words is "sixteen billion, four hundred fifty-six million, three hundred twelve thousand, four hundred eighteen".