16522236769 has 2 divisors, whose sum is σ = 16522236770. Its totient is φ = 16522236768.

The previous prime is 16522236739. The next prime is 16522236781. The reversal of 16522236769 is 96763222561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15819350625 + 702886144 = 125775^2 + 26512^2 .

It is a cyclic number.

It is not a de Polignac number, because 16522236769 - 2⁹ = 16522236257 is a prime.

It is a super-2 number, since 2×16522236769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16522236739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261118384 + 8261118385.

It is an arithmetic number, because the mean of its divisors is an integer number (8261118385).

Almost surely, 2^16522236769 is an apocalyptic number.

It is an amenable number.

16522236769 is a deficient number, since it is larger than the sum of its proper divisors (1).

16522236769 is an equidigital number, since it uses as much as digits as its factorization.

16522236769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The spelling of 16522236769 in words is "sixteen billion, five hundred twenty-two million, two hundred thirty-six thousand, seven hundred sixty-nine".