66064040059 has 2 divisors, whose sum is σ = 66064040060. Its totient is φ = 66064040058.

The previous prime is 66064040039. The next prime is 66064040071. The reversal of 66064040059 is 95004046066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66064040059 is a prime.

It is a super-3 number, since 3×66064040059³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (66064040039) 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, 33032020029 + 33032020030.

It is an arithmetic number, because the mean of its divisors is an integer number (33032020030).

Almost surely, 2^66064040059 is an apocalyptic number.

66064040059 is a deficient number, since it is larger than the sum of its proper divisors (1).

66064040059 is an equidigital number, since it uses as much as digits as its factorization.

66064040059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 66064040059 in words is "sixty-six billion, sixty-four million, forty thousand, fifty-nine".