66582827 has 2 divisors, whose sum is σ = 66582828. Its totient is φ = 66582826.

The previous prime is 66582797. The next prime is 66582839. The reversal of 66582827 is 72828566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66582827 - 2¹⁶ = 66517291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66582847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33291413 + 33291414.

It is an arithmetic number, because the mean of its divisors is an integer number (33291414).

Almost surely, 2^66582827 is an apocalyptic number.

66582827 is a deficient number, since it is larger than the sum of its proper divisors (1).

66582827 is an equidigital number, since it uses as much as digits as its factorization.

66582827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 66582827 is about 8159.8300840152. The cubic root of 66582827 is about 405.3100851385.

The spelling of 66582827 in words is "sixty-six million, five hundred eighty-two thousand, eight hundred twenty-seven".