263163262263 has 32 divisors (see below), whose sum is σ = 391184370432. Its totient is φ = 156010483200.

The previous prime is 263163262207. The next prime is 263163262339. The reversal of 263163262263 is 362262361362.

It is a happy number.

It is not a de Polignac number, because 263163262263 - 2¹⁰ = 263163261239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263163263263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351631 + ... + 806207.

It is an arithmetic number, because the mean of its divisors is an integer number (12224511576).

Almost surely, 2^263163262263 is an apocalyptic number.

263163262263 is a deficient number, since it is larger than the sum of its proper divisors (128021108169).

263163262263 is a wasteful number, since it uses less digits than its factorization.

263163262263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454975.

The product of its digits is 559872, while the sum is 42.

Subtracting 263163262263 from its reverse (362262361362), we obtain a palindrome (99099099099).

The spelling of 263163262263 in words is "two hundred sixty-three billion, one hundred sixty-three million, two hundred sixty-two thousand, two hundred sixty-three".