263226312168 has 16 divisors (see below), whose sum is σ = 658065780480. Its totient is φ = 87742104048.

The previous prime is 263226312131. The next prime is 263226312199. The reversal of 263226312168 is 861213622362.

It is a happy number.

263226312168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483881480 + ... + 5483881527.

It is an arithmetic number, because the mean of its divisors is an integer number (41129111280).

Almost surely, 2^263226312168 is an apocalyptic number.

It is an amenable number.

263226312168 is an abundant number, since it is smaller than the sum of its proper divisors (394839468312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263226312168 is a wasteful number, since it uses less digits than its factorization.

263226312168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967763016 (or 10967763012 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The spelling of 263226312168 in words is "two hundred sixty-three billion, two hundred twenty-six million, three hundred twelve thousand, one hundred sixty-eight".