16241317777 has 2 divisors, whose sum is σ = 16241317778. Its totient is φ = 16241317776.

The previous prime is 16241317751. The next prime is 16241317783. The reversal of 16241317777 is 77771314261.

16241317777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16222862161 + 18455616 = 127369^2 + 4296^2 .

It is an emirp because it is prime and its reverse (77771314261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16241317777 - 2¹⁵ = 16241285009 is a prime.

It is not a weakly prime, because it can be changed into another prime (16241317717) 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, 8120658888 + 8120658889.

It is an arithmetic number, because the mean of its divisors is an integer number (8120658889).

Almost surely, 2^16241317777 is an apocalyptic number.

It is an amenable number.

16241317777 is a deficient number, since it is larger than the sum of its proper divisors (1).

16241317777 is an equidigital number, since it uses as much as digits as its factorization.

16241317777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345744, while the sum is 46.

The spelling of 16241317777 in words is "sixteen billion, two hundred forty-one million, three hundred seventeen thousand, seven hundred seventy-seven".