16318843468 has 12 divisors (see below), whose sum is σ = 28560058632. Its totient is φ = 8158826720.

The previous prime is 16318843447. The next prime is 16318843477. The reversal of 16318843468 is 86434881361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83905 + ... + 199192.

It is an arithmetic number, because the mean of its divisors is an integer number (2380004886).

Almost surely, 2^16318843468 is an apocalyptic number.

It is an amenable number.

16318843468 is a deficient number, since it is larger than the sum of its proper divisors (12241215164).

16318843468 is a wasteful number, since it uses less digits than its factorization.

16318843468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297512 (or 297510 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The spelling of 16318843468 in words is "sixteen billion, three hundred eighteen million, eight hundred forty-three thousand, four hundred sixty-eight".