18286867296 has 144 divisors (see below), whose sum is σ = 53285253840. Its totient is φ = 5946670080.

The previous prime is 18286867267. The next prime is 18286867331. The reversal of 18286867296 is 69276868281.

18286867296 is a `hidden beast` number, since 1 + 8 + 286 + 8 + 67 + 296 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2759475 + ... + 2766093.

It is an arithmetic number, because the mean of its divisors is an integer number (370036485).

Almost surely, 2^18286867296 is an apocalyptic number.

18286867296 is a gapful number since it is divisible by the number (16) 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 18286867296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26642626920).

18286867296 is an abundant number, since it is smaller than the sum of its proper divisors (34998386544).

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

18286867296 is a wasteful number, since it uses less digits than its factorization.

18286867296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869 (or 6858 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 18286867296 in words is "eighteen billion, two hundred eighty-six million, eight hundred sixty-seven thousand, two hundred ninety-six".