66111802283 has 2 divisors, whose sum is σ = 66111802284. Its totient is φ = 66111802282.

The previous prime is 66111802259. The next prime is 66111802291. The reversal of 66111802283 is 38220811166.

66111802283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66111802283 is a prime.

It is a super-2 number, since 2×66111802283² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66111802213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33055901141 + 33055901142.

It is an arithmetic number, because the mean of its divisors is an integer number (33055901142).

Almost surely, 2^66111802283 is an apocalyptic number.

66111802283 is a deficient number, since it is larger than the sum of its proper divisors (1).

66111802283 is an equidigital number, since it uses as much as digits as its factorization.

66111802283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 66111802283 in words is "sixty-six billion, one hundred eleven million, eight hundred two thousand, two hundred eighty-three".