16122311189 has 2 divisors, whose sum is σ = 16122311190. Its totient is φ = 16122311188.

The previous prime is 16122311123. The next prime is 16122311207. The reversal of 16122311189 is 98111322161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8771820964 + 7350490225 = 93658^2 + 85735^2 .

It is an emirp because it is prime and its reverse (98111322161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16122311189 - 2²⁰ = 16121262613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16122311789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061155594 + 8061155595.

It is an arithmetic number, because the mean of its divisors is an integer number (8061155595).

Almost surely, 2^16122311189 is an apocalyptic number.

It is an amenable number.

16122311189 is a deficient number, since it is larger than the sum of its proper divisors (1).

16122311189 is an equidigital number, since it uses as much as digits as its factorization.

16122311189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 35.

The spelling of 16122311189 in words is "sixteen billion, one hundred twenty-two million, three hundred eleven thousand, one hundred eighty-nine".