16522994869 has 2 divisors, whose sum is σ = 16522994870. Its totient is φ = 16522994868.

The previous prime is 16522994849. The next prime is 16522994897. The reversal of 16522994869 is 96849922561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11315640625 + 5207354244 = 106375^2 + 72162^2 .

It is a cyclic number.

It is not a de Polignac number, because 16522994869 - 2¹⁹ = 16522470581 is a prime.

It is a super-2 number, since 2×16522994869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16522994819) by changing a digit.

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 as a sum of consecutive naturals, namely, 8261497434 + 8261497435.

It is an arithmetic number, because the mean of its divisors is an integer number (8261497435).

Almost surely, 2^16522994869 is an apocalyptic number.

It is an amenable number.

16522994869 is a deficient number, since it is larger than the sum of its proper divisors (1).

16522994869 is an equidigital number, since it uses as much as digits as its factorization.

16522994869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 61.

The spelling of 16522994869 in words is "sixteen billion, five hundred twenty-two million, nine hundred ninety-four thousand, eight hundred sixty-nine".