16992227977 has 2 divisors, whose sum is σ = 16992227978. Its totient is φ = 16992227976.

The previous prime is 16992227971. The next prime is 16992228007. The reversal of 16992227977 is 77972229961.

16992227977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11338842256 + 5653385721 = 106484^2 + 75189^2 .

It is a cyclic number.

It is not a de Polignac number, because 16992227977 - 2²⁷ = 16858010249 is a prime.

It is not a weakly prime, because it can be changed into another prime (16992227971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8496113988 + 8496113989.

It is an arithmetic number, because the mean of its divisors is an integer number (8496113989).

Almost surely, 2^16992227977 is an apocalyptic number.

It is an amenable number.

16992227977 is a deficient number, since it is larger than the sum of its proper divisors (1).

16992227977 is an equidigital number, since it uses as much as digits as its factorization.

16992227977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 61.

The spelling of 16992227977 in words is "sixteen billion, nine hundred ninety-two million, two hundred twenty-seven thousand, nine hundred seventy-seven".