263042253161 has 8 divisors (see below), whose sum is σ = 265113091584. Its totient is φ = 260972367760.

The previous prime is 263042253139. The next prime is 263042253179. The reversal of 263042253161 is 161352240362.

263042253161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263042253161 - 2¹⁴ = 263042236777 is a prime.

It is a super-2 number, since 2×263042253161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263042253181) 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 7 ways as a sum of consecutive naturals, for example, 321080 + ... + 793206.

It is an arithmetic number, because the mean of its divisors is an integer number (33139136448).

Almost surely, 2^263042253161 is an apocalyptic number.

It is an amenable number.

263042253161 is a deficient number, since it is larger than the sum of its proper divisors (2070838423).

263042253161 is a wasteful number, since it uses less digits than its factorization.

263042253161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476511.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 263042253161 in words is "two hundred sixty-three billion, forty-two million, two hundred fifty-three thousand, one hundred sixty-one".