66305586883 has 2 divisors, whose sum is σ = 66305586884. Its totient is φ = 66305586882.

The previous prime is 66305586871. The next prime is 66305586887. The reversal of 66305586883 is 38868550366.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66305586883 - 2²¹ = 66303489731 is a prime.

It is not a weakly prime, because it can be changed into another prime (66305586887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33152793441 + 33152793442.

It is an arithmetic number, because the mean of its divisors is an integer number (33152793442).

Almost surely, 2^66305586883 is an apocalyptic number.

66305586883 is a deficient number, since it is larger than the sum of its proper divisors (1).

66305586883 is an equidigital number, since it uses as much as digits as its factorization.

66305586883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 66305586883 in words is "sixty-six billion, three hundred five million, five hundred eighty-six thousand, eight hundred eighty-three".