66055015267 has 2 divisors, whose sum is σ = 66055015268. Its totient is φ = 66055015266.

The previous prime is 66055015259. The next prime is 66055015289. The reversal of 66055015267 is 76251055066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66055015267 - 2³ = 66055015259 is a prime.

It is not a weakly prime, because it can be changed into another prime (66055015967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33027507633 + 33027507634.

It is an arithmetic number, because the mean of its divisors is an integer number (33027507634).

Almost surely, 2^66055015267 is an apocalyptic number.

66055015267 is a deficient number, since it is larger than the sum of its proper divisors (1).

66055015267 is an equidigital number, since it uses as much as digits as its factorization.

66055015267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 66055015267 in words is "sixty-six billion, fifty-five million, fifteen thousand, two hundred sixty-seven".