16105819330529 has 2 divisors, whose sum is σ = 16105819330530. Its totient is φ = 16105819330528.

The previous prime is 16105819330379. The next prime is 16105819330553. The reversal of 16105819330529 is 92503391850161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16068232590400 + 37586740129 = 4008520^2 + 193873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16105819330529 is a prime.

It is not a weakly prime, because it can be changed into another prime (16105819330589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8052909665264 + 8052909665265.

It is an arithmetic number, because the mean of its divisors is an integer number (8052909665265).

Almost surely, 2^{16105819330529} is an apocalyptic number.

It is an amenable number.

16105819330529 is a deficient number, since it is larger than the sum of its proper divisors (1).

16105819330529 is an equidigital number, since it uses as much as digits as its factorization.

16105819330529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 16105819330529 in words is "sixteen trillion, one hundred five billion, eight hundred nineteen million, three hundred thirty thousand, five hundred twenty-nine".