12863326158 has 24 divisors (see below), whose sum is σ = 27877808088. Its totient is φ = 4286657232.

The previous prime is 12863326121. The next prime is 12863326187. The reversal of 12863326158 is 85162336821.

12863326158 is a `hidden beast` number, since 1 + 2 + 8 + 633 + 2 + 6 + 1 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20716 + ... + 161727.

It is an arithmetic number, because the mean of its divisors is an integer number (1161575337).

Almost surely, 2^12863326158 is an apocalyptic number.

12863326158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12863326158 is an abundant number, since it is smaller than the sum of its proper divisors (15014481930).

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

12863326158 is a wasteful number, since it uses less digits than its factorization.

12863326158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186368 (or 186365 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 12863326158 in words is "twelve billion, eight hundred sixty-three million, three hundred twenty-six thousand, one hundred fifty-eight".