16796579279769 has 9 divisors (see below), whose sum is σ = 24261743385919. Its totient is φ = 11197711323120.

The previous prime is 16796579279749. The next prime is 16796579279873. The reversal of 16796579279769 is 96797297569761.

The square root of 16796579279769 is 4098363.

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

16796579279769 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 6 + 579 + 27 + 9 + 7 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13283203919769 + 3513375360000 = 3644613^2 + 1874400^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 16796579279769 - 2⁹ = 16796579279257 is a prime.

It is a super-2 number, since 2×16796579279769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16796579279729) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11612029 + ... + 12978149.

Almost surely, 2^{16796579279769} is an apocalyptic number.

16796579279769 is the 4098363-rd square number.

16796579279769 is the 2049182-nd centered octagonal number.

It is an amenable number.

16796579279769 is a deficient number, since it is larger than the sum of its proper divisors (7465164106150).

16796579279769 is an frugal number, since it uses more digits than its factorization.

16796579279769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732248 (or 1366124 counting only the distinct ones).

The product of its digits is 34026395760, while the sum is 90.

The spelling of 16796579279769 in words is "sixteen trillion, seven hundred ninety-six billion, five hundred seventy-nine million, two hundred seventy-nine thousand, seven hundred sixty-nine".