666010010033 has 2 divisors, whose sum is σ = 666010010034. Its totient is φ = 666010010032.

The previous prime is 666010009997. The next prime is 666010010053. The reversal of 666010010033 is 330010010666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549106194289 + 116903815744 = 741017^2 + 341912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666010010033 is a prime.

It is a super-2 number, since 2×666010010033² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 666010009984 and 666010010011.

It is not a weakly prime, because it can be changed into another prime (666010010053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333005005016 + 333005005017.

It is an arithmetic number, because the mean of its divisors is an integer number (333005005017).

Almost surely, 2^666010010033 is an apocalyptic number.

It is an amenable number.

666010010033 is a deficient number, since it is larger than the sum of its proper divisors (1).

666010010033 is an equidigital number, since it uses as much as digits as its factorization.

666010010033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 666010010033 its reverse (330010010666), we get a palindrome (996020020699).

The spelling of 666010010033 in words is "six hundred sixty-six billion, ten million, ten thousand, thirty-three".