16768772837 has 2 divisors, whose sum is σ = 16768772838. Its totient is φ = 16768772836.

The previous prime is 16768772809. The next prime is 16768772887. The reversal of 16768772837 is 73827786761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10016206561 + 6752566276 = 100081^2 + 82174^2 .

It is an emirp because it is prime and its reverse (73827786761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16768772837 - 2⁶ = 16768772773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16768772837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16768772887) 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, 8384386418 + 8384386419.

It is an arithmetic number, because the mean of its divisors is an integer number (8384386419).

Almost surely, 2^16768772837 is an apocalyptic number.

It is an amenable number.

16768772837 is a deficient number, since it is larger than the sum of its proper divisors (1).

16768772837 is an equidigital number, since it uses as much as digits as its factorization.

16768772837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33191424, while the sum is 62.

The spelling of 16768772837 in words is "sixteen billion, seven hundred sixty-eight million, seven hundred seventy-two thousand, eight hundred thirty-seven".