66732415335907 has 2 divisors, whose sum is σ = 66732415335908. Its totient is φ = 66732415335906.

The previous prime is 66732415335889. The next prime is 66732415335941. The reversal of 66732415335907 is 70953351423766.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66732415335907 is a prime.

It is not a weakly prime, because it can be changed into another prime (66732415335967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33366207667953 + 33366207667954.

It is an arithmetic number, because the mean of its divisors is an integer number (33366207667954).

Almost surely, 2^{66732415335907} is an apocalyptic number.

66732415335907 is a deficient number, since it is larger than the sum of its proper divisors (1).

66732415335907 is an equidigital number, since it uses as much as digits as its factorization.

66732415335907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85730400, while the sum is 61.

The spelling of 66732415335907 in words is "sixty-six trillion, seven hundred thirty-two billion, four hundred fifteen million, three hundred thirty-five thousand, nine hundred seven".