66934583 has 2 divisors, whose sum is σ = 66934584. Its totient is φ = 66934582.

The previous prime is 66934547. The next prime is 66934631. The reversal of 66934583 is 38543966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66934583 - 2¹⁸ = 66672439 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66934513) 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, 33467291 + 33467292.

It is an arithmetic number, because the mean of its divisors is an integer number (33467292).

Almost surely, 2^66934583 is an apocalyptic number.

66934583 is a deficient number, since it is larger than the sum of its proper divisors (1).

66934583 is an equidigital number, since it uses as much as digits as its factorization.

66934583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 66934583 is about 8181.3558167336. The cubic root of 66934583 is about 406.0225807852.

The spelling of 66934583 in words is "sixty-six million, nine hundred thirty-four thousand, five hundred eighty-three".