16327948577 has 2 divisors, whose sum is σ = 16327948578. Its totient is φ = 16327948576.

The previous prime is 16327948573. The next prime is 16327948583. The reversal of 16327948577 is 77584972361.

It is a happy number.

16327948577 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., 14447078416 + 1880870161 = 120196^2 + 43369^2 .

It is a cyclic number.

It is not a de Polignac number, because 16327948577 - 2² = 16327948573 is a prime.

It is not a weakly prime, because it can be changed into another prime (16327948573) 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, 8163974288 + 8163974289.

It is an arithmetic number, because the mean of its divisors is an integer number (8163974289).

Almost surely, 2^16327948577 is an apocalyptic number.

It is an amenable number.

16327948577 is a deficient number, since it is larger than the sum of its proper divisors (1).

16327948577 is an equidigital number, since it uses as much as digits as its factorization.

16327948577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 59.

The spelling of 16327948577 in words is "sixteen billion, three hundred twenty-seven million, nine hundred forty-eight thousand, five hundred seventy-seven".