66013070633 has 2 divisors, whose sum is σ = 66013070634. Its totient is φ = 66013070632.

The previous prime is 66013070597. The next prime is 66013070657. The reversal of 66013070633 is 33607031066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64672558864 + 1340511769 = 254308^2 + 36613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66013070633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66013070593 and 66013070602.

It is not a weakly prime, because it can be changed into another prime (66013670633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33006535316 + 33006535317.

It is an arithmetic number, because the mean of its divisors is an integer number (33006535317).

Almost surely, 2^66013070633 is an apocalyptic number.

It is an amenable number.

66013070633 is a deficient number, since it is larger than the sum of its proper divisors (1).

66013070633 is an equidigital number, since it uses as much as digits as its factorization.

66013070633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 66013070633 in words is "sixty-six billion, thirteen million, seventy thousand, six hundred thirty-three".