1656071713073 has 2 divisors, whose sum is σ = 1656071713074. Its totient is φ = 1656071713072.

The previous prime is 1656071713007. The next prime is 1656071713081. The reversal of 1656071713073 is 3703171706561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1443705580849 + 212366132224 = 1201543^2 + 460832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1656071713073 - 2¹⁴ = 1656071696689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1656071713573) 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, 828035856536 + 828035856537.

It is an arithmetic number, because the mean of its divisors is an integer number (828035856537).

Almost surely, 2^{1656071713073} is an apocalyptic number.

It is an amenable number.

1656071713073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1656071713073 is an equidigital number, since it uses as much as digits as its factorization.

1656071713073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 1656071713073 in words is "one trillion, six hundred fifty-six billion, seventy-one million, seven hundred thirteen thousand, seventy-three".