263250645668 has 12 divisors (see below), whose sum is σ = 463514941680. Its totient is φ = 130817805192.

The previous prime is 263250645667. The next prime is 263250645731. The reversal of 263250645668 is 866546052362.

It is a happy number.

263250645668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (263250645667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201878678 + ... + 201879981.

It is an arithmetic number, because the mean of its divisors is an integer number (38626245140).

Almost surely, 2^263250645668 is an apocalyptic number.

It is an amenable number.

263250645668 is a deficient number, since it is larger than the sum of its proper divisors (200264296012).

263250645668 is a wasteful number, since it uses less digits than its factorization.

263250645668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403758826 (or 403758824 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 263250645668 in words is "two hundred sixty-three billion, two hundred fifty million, six hundred forty-five thousand, six hundred sixty-eight".