66769031179211 has 2 divisors, whose sum is σ = 66769031179212. Its totient is φ = 66769031179210.

The previous prime is 66769031179199. The next prime is 66769031179259. The reversal of 66769031179211 is 11297113096766.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66769031179211 is a prime.

It is a super-4 number, since 4×66769031179211⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (66769031179271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33384515589605 + 33384515589606.

It is an arithmetic number, because the mean of its divisors is an integer number (33384515589606).

Almost surely, 2^{66769031179211} is an apocalyptic number.

66769031179211 is a deficient number, since it is larger than the sum of its proper divisors (1).

66769031179211 is an equidigital number, since it uses as much as digits as its factorization.

66769031179211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 66769031179211 in words is "sixty-six trillion, seven hundred sixty-nine billion, thirty-one million, one hundred seventy-nine thousand, two hundred eleven".