66965427211183 has 2 divisors, whose sum is σ = 66965427211184. Its totient is φ = 66965427211182.

The previous prime is 66965427211141. The next prime is 66965427211217. The reversal of 66965427211183 is 38111272456966.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66965427211183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66965427211283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33482713605591 + 33482713605592.

It is an arithmetic number, because the mean of its divisors is an integer number (33482713605592).

Almost surely, 2^{66965427211183} is an apocalyptic number.

66965427211183 is a deficient number, since it is larger than the sum of its proper divisors (1).

66965427211183 is an equidigital number, since it uses as much as digits as its factorization.

66965427211183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 61.

The spelling of 66965427211183 in words is "sixty-six trillion, nine hundred sixty-five billion, four hundred twenty-seven million, two hundred eleven thousand, one hundred eighty-three".