66083333 has 2 divisors, whose sum is σ = 66083334. Its totient is φ = 66083332.

The previous prime is 66083317. The next prime is 66083359. The reversal of 66083333 is 33338066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 19201924 = 6847^2 + 4382^2 .

It is a cyclic number.

It is not a de Polignac number, because 66083333 - 2⁴ = 66083317 is a prime.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 66083333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66083383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33041666 + 33041667.

It is an arithmetic number, because the mean of its divisors is an integer number (33041667).

Almost surely, 2^66083333 is an apocalyptic number.

It is an amenable number.

66083333 is a deficient number, since it is larger than the sum of its proper divisors (1).

66083333 is an equidigital number, since it uses as much as digits as its factorization.

66083333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 66083333 is about 8129.1655783358. The cubic root of 66083333 is about 404.2940157071.

The spelling of 66083333 in words is "sixty-six million, eighty-three thousand, three hundred thirty-three".