606005506181 has 2 divisors, whose sum is σ = 606005506182. Its totient is φ = 606005506180.

The previous prime is 606005506129. The next prime is 606005506213. The reversal of 606005506181 is 181605500606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366061300900 + 239944205281 = 605030^2 + 489841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606005506181 is a prime.

It is a super-2 number, since 2×606005506181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606005506481) 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, 303002753090 + 303002753091.

It is an arithmetic number, because the mean of its divisors is an integer number (303002753091).

Almost surely, 2^606005506181 is an apocalyptic number.

It is an amenable number.

606005506181 is a deficient number, since it is larger than the sum of its proper divisors (1).

606005506181 is an equidigital number, since it uses as much as digits as its factorization.

606005506181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 606005506181 in words is "six hundred six billion, five million, five hundred six thousand, one hundred eighty-one".