16537812677 has 2 divisors, whose sum is σ = 16537812678. Its totient is φ = 16537812676.

The previous prime is 16537812611. The next prime is 16537812701. The reversal of 16537812677 is 77621873561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12579641281 + 3958171396 = 112159^2 + 62914^2 .

It is an emirp because it is prime and its reverse (77621873561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16537812677 - 2¹⁴ = 16537796293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16537812377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268906338 + 8268906339.

It is an arithmetic number, because the mean of its divisors is an integer number (8268906339).

Almost surely, 2^16537812677 is an apocalyptic number.

It is an amenable number.

16537812677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16537812677 is an equidigital number, since it uses as much as digits as its factorization.

16537812677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The spelling of 16537812677 in words is "sixteen billion, five hundred thirty-seven million, eight hundred twelve thousand, six hundred seventy-seven".