866112896909736 has 96 divisors (see below), whose sum is σ = 2681132482866240. Its totient is φ = 247432503112704.

The previous prime is 866112896909731. The next prime is 866112896909737. The reversal of 866112896909736 is 637909698211668.

866112896909736 is a `hidden beast` number, since 86 + 61 + 1 + 289 + 6 + 90 + 97 + 36 = 666.

866112896909736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (866112896909731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93941406 + ... + 102748301.

It is an arithmetic number, because the mean of its divisors is an integer number (27928463363190).

Almost surely, 2^{866112896909736} is an apocalyptic number.

It is an amenable number.

866112896909736 is an abundant number, since it is smaller than the sum of its proper divisors (1815019585956504).

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

866112896909736 is a wasteful number, since it uses less digits than its factorization.

866112896909736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196698463 (or 196698456 counting only the distinct ones).

The product of its (nonzero) digits is 2539579392, while the sum is 81.

The spelling of 866112896909736 in words is "eight hundred sixty-six trillion, one hundred twelve billion, eight hundred ninety-six million, nine hundred nine thousand, seven hundred thirty-six".