16231162216 has 16 divisors (see below), whose sum is σ = 32223631140. Its totient is φ = 7638193920.

The previous prime is 16231162147. The next prime is 16231162223. The reversal of 16231162216 is 61226113261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16004780100 + 226382116 = 126510^2 + 15046^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59673255 + ... + 59673526.

Almost surely, 2^16231162216 is an apocalyptic number.

It is an amenable number.

16231162216 is a deficient number, since it is larger than the sum of its proper divisors (15992468924).

16231162216 is a wasteful number, since it uses less digits than its factorization.

16231162216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119346804 (or 119346800 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

Adding to 16231162216 its reverse (61226113261), we get a palindrome (77457275477).

The spelling of 16231162216 in words is "sixteen billion, two hundred thirty-one million, one hundred sixty-two thousand, two hundred sixteen".