16277148477089 has 2 divisors, whose sum is σ = 16277148477090. Its totient is φ = 16277148477088.

The previous prime is 16277148477047. The next prime is 16277148477097. The reversal of 16277148477089 is 98077484177261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12649296862225 + 3627851614864 = 3556585^2 + 1904692^2 .

It is a cyclic number.

It is not a de Polignac number, because 16277148477089 - 2¹⁶ = 16277148411553 is a prime.

It is not a weakly prime, because it can be changed into another prime (16277148477019) 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, 8138574238544 + 8138574238545.

It is an arithmetic number, because the mean of its divisors is an integer number (8138574238545).

Almost surely, 2^{16277148477089} is an apocalyptic number.

It is an amenable number.

16277148477089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16277148477089 is an equidigital number, since it uses as much as digits as its factorization.

16277148477089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 265531392, while the sum is 71.

The spelling of 16277148477089 in words is "sixteen trillion, two hundred seventy-seven billion, one hundred forty-eight million, four hundred seventy-seven thousand, eighty-nine".