263044341168 has 160 divisors (see below), whose sum is σ = 801984479232. Its totient is φ = 72701625600.

The previous prime is 263044341149. The next prime is 263044341169. The reversal of 263044341168 is 861143440362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (263044341169) 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, 42817105 + ... + 42823247.

Almost surely, 2^263044341168 is an apocalyptic number.

263044341168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263044341168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400992239616).

263044341168 is an abundant number, since it is smaller than the sum of its proper divisors (538940138064).

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

263044341168 is a wasteful number, since it uses less digits than its factorization.

263044341168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303 (or 10297 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 263044341168 in words is "two hundred sixty-three billion, forty-four million, three hundred forty-one thousand, one hundred sixty-eight".