16445648767 has 2 divisors, whose sum is σ = 16445648768. Its totient is φ = 16445648766.

The previous prime is 16445648689. The next prime is 16445648771. The reversal of 16445648767 is 76784654461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16445648767 - 2²⁷ = 16311431039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16445648267) 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, 8222824383 + 8222824384.

It is an arithmetic number, because the mean of its divisors is an integer number (8222824384).

Almost surely, 2^16445648767 is an apocalyptic number.

16445648767 is a deficient number, since it is larger than the sum of its proper divisors (1).

16445648767 is an equidigital number, since it uses as much as digits as its factorization.

16445648767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The spelling of 16445648767 in words is "sixteen billion, four hundred forty-five million, six hundred forty-eight thousand, seven hundred sixty-seven".