668063000233 has 2 divisors, whose sum is σ = 668063000234. Its totient is φ = 668063000232.

The previous prime is 668063000179. The next prime is 668063000261. The reversal of 668063000233 is 332000360866.

It is a happy number.

668063000233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436039670889 + 232023329344 = 660333^2 + 481688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-668063000233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 668063000192 and 668063000201.

It is not a weakly prime, because it can be changed into another prime (668063000833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334031500116 + 334031500117.

It is an arithmetic number, because the mean of its divisors is an integer number (334031500117).

Almost surely, 2^668063000233 is an apocalyptic number.

It is an amenable number.

668063000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

668063000233 is an equidigital number, since it uses as much as digits as its factorization.

668063000233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 668063000233 in words is "six hundred sixty-eight billion, sixty-three million, two hundred thirty-three", and thus it is an aban number.