6168687320773 has 2 divisors, whose sum is σ = 6168687320774. Its totient is φ = 6168687320772.

The previous prime is 6168687320717. The next prime is 6168687320827. The reversal of 6168687320773 is 3770237868616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5789302773409 + 379384547364 = 2406097^2 + 615942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6168687320773 is a prime.

It is a super-2 number, since 2×6168687320773² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6168687320573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3084343660386 + 3084343660387.

It is an arithmetic number, because the mean of its divisors is an integer number (3084343660387).

Almost surely, 2^{6168687320773} is an apocalyptic number.

It is an amenable number.

6168687320773 is a deficient number, since it is larger than the sum of its proper divisors (1).

6168687320773 is an equidigital number, since it uses as much as digits as its factorization.

6168687320773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 6168687320773 in words is "six trillion, one hundred sixty-eight billion, six hundred eighty-seven million, three hundred twenty thousand, seven hundred seventy-three".