1606368428713 has 2 divisors, whose sum is σ = 1606368428714. Its totient is φ = 1606368428712.

The previous prime is 1606368428657. The next prime is 1606368428747. The reversal of 1606368428713 is 3178248636061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190745811369 + 415622617344 = 1091213^2 + 644688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606368428713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606368428773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803184214356 + 803184214357.

It is an arithmetic number, because the mean of its divisors is an integer number (803184214357).

Almost surely, 2^{1606368428713} is an apocalyptic number.

It is an amenable number.

1606368428713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606368428713 is an equidigital number, since it uses as much as digits as its factorization.

1606368428713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 1606368428713 in words is "one trillion, six hundred six billion, three hundred sixty-eight million, four hundred twenty-eight thousand, seven hundred thirteen".