16005345779 has 2 divisors, whose sum is σ = 16005345780. Its totient is φ = 16005345778.

The previous prime is 16005345701. The next prime is 16005345803. The reversal of 16005345779 is 97754350061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16005345779 - 2⁸ = 16005345523 is a prime.

It is not a weakly prime, because it can be changed into another prime (16005345479) 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, 8002672889 + 8002672890.

It is an arithmetic number, because the mean of its divisors is an integer number (8002672890).

Almost surely, 2^16005345779 is an apocalyptic number.

16005345779 is a deficient number, since it is larger than the sum of its proper divisors (1).

16005345779 is an equidigital number, since it uses as much as digits as its factorization.

16005345779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 16005345779 in words is "sixteen billion, five million, three hundred forty-five thousand, seven hundred seventy-nine".