66124081307 has 2 divisors, whose sum is σ = 66124081308. Its totient is φ = 66124081306.

The previous prime is 66124081217. The next prime is 66124081343. The reversal of 66124081307 is 70318042166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66124081307 - 2²² = 66119887003 is a prime.

It is not a weakly prime, because it can be changed into another prime (66124081207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33062040653 + 33062040654.

It is an arithmetic number, because the mean of its divisors is an integer number (33062040654).

Almost surely, 2^66124081307 is an apocalyptic number.

66124081307 is a deficient number, since it is larger than the sum of its proper divisors (1).

66124081307 is an equidigital number, since it uses as much as digits as its factorization.

66124081307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 66124081307 in words is "sixty-six billion, one hundred twenty-four million, eighty-one thousand, three hundred seven".