66703029103 has 2 divisors, whose sum is σ = 66703029104. Its totient is φ = 66703029102.

The previous prime is 66703029097. The next prime is 66703029121. The reversal of 66703029103 is 30192030766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66703029103 - 2⁹ = 66703028591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66703029703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33351514551 + 33351514552.

It is an arithmetic number, because the mean of its divisors is an integer number (33351514552).

Almost surely, 2^66703029103 is an apocalyptic number.

66703029103 is a deficient number, since it is larger than the sum of its proper divisors (1).

66703029103 is an equidigital number, since it uses as much as digits as its factorization.

66703029103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

Adding to 66703029103 its reverse (30192030766), we get a palindrome (96895059869).

The spelling of 66703029103 in words is "sixty-six billion, seven hundred three million, twenty-nine thousand, one hundred three".