606103166381 has 2 divisors, whose sum is σ = 606103166382. Its totient is φ = 606103166380.

The previous prime is 606103166359. The next prime is 606103166413. The reversal of 606103166381 is 183661301606.

606103166381 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., 312415041481 + 293688124900 = 558941^2 + 541930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606103166381 is a prime.

It is a super-2 number, since 2×606103166381² (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 (606103163381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303051583190 + 303051583191.

It is an arithmetic number, because the mean of its divisors is an integer number (303051583191).

Almost surely, 2^606103166381 is an apocalyptic number.

It is an amenable number.

606103166381 is a deficient number, since it is larger than the sum of its proper divisors (1).

606103166381 is an equidigital number, since it uses as much as digits as its factorization.

606103166381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

Adding to 606103166381 its reverse (183661301606), we get a palindrome (789764467987).

The spelling of 606103166381 in words is "six hundred six billion, one hundred three million, one hundred sixty-six thousand, three hundred eighty-one".