66282943 has 2 divisors, whose sum is σ = 66282944. Its totient is φ = 66282942.

The previous prime is 66282919. The next prime is 66282961. The reversal of 66282943 is 34928266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66282943 - 2²⁵ = 32728511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66282896 and 66282905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66289943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33141471 + 33141472.

It is an arithmetic number, because the mean of its divisors is an integer number (33141472).

Almost surely, 2^66282943 is an apocalyptic number.

66282943 is a deficient number, since it is larger than the sum of its proper divisors (1).

66282943 is an equidigital number, since it uses as much as digits as its factorization.

66282943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 66282943 is about 8141.4337189466. The cubic root of 66282943 is about 404.7006740184.

The spelling of 66282943 in words is "sixty-six million, two hundred eighty-two thousand, nine hundred forty-three".