66007349089933 has 2 divisors, whose sum is σ = 66007349089934. Its totient is φ = 66007349089932.

The previous prime is 66007349089909. The next prime is 66007349089963. The reversal of 66007349089933 is 33998094370066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36799777303524 + 29207571786409 = 6066282^2 + 5404403^2 .

It is a cyclic number.

It is not a de Polignac number, because 66007349089933 - 2⁹ = 66007349089421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66007349089963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33003674544966 + 33003674544967.

It is an arithmetic number, because the mean of its divisors is an integer number (33003674544967).

Almost surely, 2^{66007349089933} is an apocalyptic number.

It is an amenable number.

66007349089933 is a deficient number, since it is larger than the sum of its proper divisors (1).

66007349089933 is an equidigital number, since it uses as much as digits as its factorization.

66007349089933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158723712, while the sum is 67.

The spelling of 66007349089933 in words is "sixty-six trillion, seven billion, three hundred forty-nine million, eighty-nine thousand, nine hundred thirty-three".