66462732079 has 2 divisors, whose sum is σ = 66462732080. Its totient is φ = 66462732078.

The previous prime is 66462732043. The next prime is 66462732137. The reversal of 66462732079 is 97023726466.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66462732079 - 2²⁹ = 65925861167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66462730079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33231366039 + 33231366040.

It is an arithmetic number, because the mean of its divisors is an integer number (33231366040).

Almost surely, 2^66462732079 is an apocalyptic number.

66462732079 is a deficient number, since it is larger than the sum of its proper divisors (1).

66462732079 is an equidigital number, since it uses as much as digits as its factorization.

66462732079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 66462732079 in words is "sixty-six billion, four hundred sixty-two million, seven hundred thirty-two thousand, seventy-nine".