866158426010118 has 32 divisors (see below), whose sum is σ = 1834221196130400. Its totient is φ = 271735480074240.

The previous prime is 866158426010093. The next prime is 866158426010179. The reversal of 866158426010118 is 811010624851668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50442558 + ... + 65397006.

It is an arithmetic number, because the mean of its divisors is an integer number (57319412379075).

Almost surely, 2^{866158426010118} is an apocalyptic number.

866158426010118 is an abundant number, since it is smaller than the sum of its proper divisors (968062770120282).

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

866158426010118 is a wasteful number, since it uses less digits than its factorization.

866158426010118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15522312.

The product of its (nonzero) digits is 4423680, while the sum is 57.

The spelling of 866158426010118 in words is "eight hundred sixty-six trillion, one hundred fifty-eight billion, four hundred twenty-six million, ten thousand, one hundred eighteen".