263155896 has 48 divisors (see below), whose sum is σ = 713740560. Its totient is φ = 87592320.

The previous prime is 263155843. The next prime is 263155897. The reversal of 263155896 is 698551362.

263155896 is a `hidden beast` number, since 2 + 6 + 3 + 1 + 558 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263155897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57036 + ... + 61476.

It is an arithmetic number, because the mean of its divisors is an integer number (14869595).

Almost surely, 2^263155896 is an apocalyptic number.

It is an amenable number.

263155896 is an abundant number, since it is smaller than the sum of its proper divisors (450584664).

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

263155896 is a wasteful number, since it uses less digits than its factorization.

263155896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276 (or 5269 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 263155896 is about 16222.0805077524. The cubic root of 263155896 is about 640.8224257700.

The spelling of 263155896 in words is "two hundred sixty-three million, one hundred fifty-five thousand, eight hundred ninety-six".