606231000181 has 2 divisors, whose sum is σ = 606231000182. Its totient is φ = 606231000180.

The previous prime is 606231000169. The next prime is 606231000203. The reversal of 606231000181 is 181000132606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379782550225 + 226448449956 = 616265^2 + 475866^2 .

It is a cyclic number.

It is not a de Polignac number, because 606231000181 - 2²¹ = 606228903029 is a prime.

It is a super-2 number, since 2×606231000181² (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 (606231000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303115500090 + 303115500091.

It is an arithmetic number, because the mean of its divisors is an integer number (303115500091).

Almost surely, 2^606231000181 is an apocalyptic number.

It is an amenable number.

606231000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

606231000181 is an equidigital number, since it uses as much as digits as its factorization.

606231000181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 606231000181 its reverse (181000132606), we get a palindrome (787231132787).

The spelling of 606231000181 in words is "six hundred six billion, two hundred thirty-one million, one hundred eighty-one", and thus it is an aban number.