66652833727 has 2 divisors, whose sum is σ = 66652833728. Its totient is φ = 66652833726.

The previous prime is 66652833707. The next prime is 66652833749. The reversal of 66652833727 is 72733825666.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66652833727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66652833707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33326416863 + 33326416864.

It is an arithmetic number, because the mean of its divisors is an integer number (33326416864).

Almost surely, 2^66652833727 is an apocalyptic number.

66652833727 is a deficient number, since it is larger than the sum of its proper divisors (1).

66652833727 is an equidigital number, since it uses as much as digits as its factorization.

66652833727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 55.

The spelling of 66652833727 in words is "sixty-six billion, six hundred fifty-two million, eight hundred thirty-three thousand, seven hundred twenty-seven".