66462028027 has 2 divisors, whose sum is σ = 66462028028. Its totient is φ = 66462028026.

The previous prime is 66462028019. The next prime is 66462028057. The reversal of 66462028027 is 72082026466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66462028027 - 2³ = 66462028019 is a prime.

It is not a weakly prime, because it can be changed into another prime (66462028057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33231014013 + 33231014014.

It is an arithmetic number, because the mean of its divisors is an integer number (33231014014).

Almost surely, 2^66462028027 is an apocalyptic number.

66462028027 is a deficient number, since it is larger than the sum of its proper divisors (1).

66462028027 is an equidigital number, since it uses as much as digits as its factorization.

66462028027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 66462028027 in words is "sixty-six billion, four hundred sixty-two million, twenty-eight thousand, twenty-seven".