66073277603 has 2 divisors, whose sum is σ = 66073277604. Its totient is φ = 66073277602.

The previous prime is 66073277587. The next prime is 66073277609. The reversal of 66073277603 is 30677237066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66073277603 - 2⁴ = 66073277587 is a prime.

It is not a weakly prime, because it can be changed into another prime (66073277609) 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, 33036638801 + 33036638802.

It is an arithmetic number, because the mean of its divisors is an integer number (33036638802).

Almost surely, 2^66073277603 is an apocalyptic number.

66073277603 is a deficient number, since it is larger than the sum of its proper divisors (1).

66073277603 is an equidigital number, since it uses as much as digits as its factorization.

66073277603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 47.

The spelling of 66073277603 in words is "sixty-six billion, seventy-three million, two hundred seventy-seven thousand, six hundred three".