18041878263 has 16 divisors (see below), whose sum is σ = 24836207616. Its totient is φ = 11637870720.

The previous prime is 18041878229. The next prime is 18041878291. The reversal of 18041878263 is 36287814081.

It is not a de Polignac number, because 18041878263 - 2⁹ = 18041877751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041878223) 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 15 ways as a sum of consecutive naturals, for example, 654895 + ... + 681887.

It is an arithmetic number, because the mean of its divisors is an integer number (1552262976).

Almost surely, 2^18041878263 is an apocalyptic number.

18041878263 is a deficient number, since it is larger than the sum of its proper divisors (6794329353).

18041878263 is a wasteful number, since it uses less digits than its factorization.

18041878263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34214.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 18041878263 in words is "eighteen billion, forty-one million, eight hundred seventy-eight thousand, two hundred sixty-three".