16796136659481 has 135 divisors (see below), whose sum is σ = 26861701831419. Its totient is φ = 10112921715456.

The previous prime is 16796136659389. The next prime is 16796136659483. The reversal of 16796136659481 is 18495663169761.

The square root of 16796136659481 is 4098309.

It is a perfect power (a square), and thus also a powerful number.

16796136659481 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 6 + 136 + 6 + 5 + 9 + 481 = 666.

16796136659481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 481484719881 + 16314651939600 = 693891^2 + 4039140^2 .

It is not a de Polignac number, because 16796136659481 - 2²¹ = 16796134562329 is a prime.

It is a super-2 number, since 2×16796136659481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16796136659483) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 103043783106 + ... + 103043783268.

Almost surely, 2^{16796136659481} is an apocalyptic number.

16796136659481 is the 4098309-th square number.

16796136659481 is the 2049155-th centered octagonal number.

It is an amenable number.

16796136659481 is a deficient number, since it is larger than the sum of its proper divisors (10065565171938).

16796136659481 is an frugal number, since it uses more digits than its factorization.

16796136659481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 212 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 16796136659481 in words is "sixteen trillion, seven hundred ninety-six billion, one hundred thirty-six million, six hundred fifty-nine thousand, four hundred eighty-one".