255166466573 has 2 divisors, whose sum is σ = 255166466574. Its totient is φ = 255166466572.

The previous prime is 255166466563. The next prime is 255166466587. The reversal of 255166466573 is 375664661552.

255166466573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253787235529 + 1379231044 = 503773^2 + 37138^2 .

It is a cyclic number.

It is not a de Polignac number, because 255166466573 - 2¹² = 255166462477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255166466563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127583233286 + 127583233287.

It is an arithmetic number, because the mean of its divisors is an integer number (127583233287).

Almost surely, 2^255166466573 is an apocalyptic number.

It is an amenable number.

255166466573 is a deficient number, since it is larger than the sum of its proper divisors (1).

255166466573 is an equidigital number, since it uses as much as digits as its factorization.

255166466573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216000, while the sum is 56.

The spelling of 255166466573 in words is "two hundred fifty-five billion, one hundred sixty-six million, four hundred sixty-six thousand, five hundred seventy-three".