66260441003 has 2 divisors, whose sum is σ = 66260441004. Its totient is φ = 66260441002.

The previous prime is 66260440969. The next prime is 66260441099. The reversal of 66260441003 is 30014406266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66260441003 - 2⁸ = 66260440747 is a prime.

It is not a weakly prime, because it can be changed into another prime (66260441603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33130220501 + 33130220502.

It is an arithmetic number, because the mean of its divisors is an integer number (33130220502).

Almost surely, 2^66260441003 is an apocalyptic number.

66260441003 is a deficient number, since it is larger than the sum of its proper divisors (1).

66260441003 is an equidigital number, since it uses as much as digits as its factorization.

66260441003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 66260441003 its reverse (30014406266), we get a palindrome (96274847269).

The spelling of 66260441003 in words is "sixty-six billion, two hundred sixty million, four hundred forty-one thousand, three".