16232331617 has 16 divisors (see below), whose sum is σ = 17965665600. Its totient is φ = 14604287040.

The previous prime is 16232331613. The next prime is 16232331637. The reversal of 16232331617 is 71613323261.

It is a cyclic number.

It is not a de Polignac number, because 16232331617 - 2² = 16232331613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16232331613) 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, 207863 + ... + 275084.

It is an arithmetic number, because the mean of its divisors is an integer number (1122854100).

Almost surely, 2^16232331617 is an apocalyptic number.

It is an amenable number.

16232331617 is a deficient number, since it is larger than the sum of its proper divisors (1733333983).

16232331617 is a wasteful number, since it uses less digits than its factorization.

16232331617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483056.

The product of its digits is 27216, while the sum is 35.

Adding to 16232331617 its reverse (71613323261), we get a palindrome (87845654878).

The spelling of 16232331617 in words is "sixteen billion, two hundred thirty-two million, three hundred thirty-one thousand, six hundred seventeen".