16277855761 has 2 divisors, whose sum is σ = 16277855762. Its totient is φ = 16277855760.

The previous prime is 16277855749. The next prime is 16277855767. The reversal of 16277855761 is 16755877261.

16277855761 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., 15689065536 + 588790225 = 125256^2 + 24265^2 .

It is a cyclic number.

It is not a de Polignac number, because 16277855761 - 2⁵ = 16277855729 is a prime.

It is not a weakly prime, because it can be changed into another prime (16277855767) 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, 8138927880 + 8138927881.

It is an arithmetic number, because the mean of its divisors is an integer number (8138927881).

Almost surely, 2^16277855761 is an apocalyptic number.

It is an amenable number.

16277855761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16277855761 is an equidigital number, since it uses as much as digits as its factorization.

16277855761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 55.

The spelling of 16277855761 in words is "sixteen billion, two hundred seventy-seven million, eight hundred fifty-five thousand, seven hundred sixty-one".