16124436613 has 2 divisors, whose sum is σ = 16124436614. Its totient is φ = 16124436612.

The previous prime is 16124436569. The next prime is 16124436661. The reversal of 16124436613 is 31663442161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8179031844 + 7945404769 = 90438^2 + 89137^2 .

It is a cyclic number.

It is not a de Polignac number, because 16124436613 - 2⁹ = 16124436101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16124536613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8062218306 + 8062218307.

It is an arithmetic number, because the mean of its divisors is an integer number (8062218307).

Almost surely, 2^16124436613 is an apocalyptic number.

It is an amenable number.

16124436613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16124436613 is an equidigital number, since it uses as much as digits as its factorization.

16124436613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

Adding to 16124436613 its reverse (31663442161), we get a palindrome (47787878774).

The spelling of 16124436613 in words is "sixteen billion, one hundred twenty-four million, four hundred thirty-six thousand, six hundred thirteen".