866157876674124 has 96 divisors (see below), whose sum is σ = 2140357871264256. Its totient is φ = 271680140160000.

The previous prime is 866157876674089. The next prime is 866157876674137. The reversal of 866157876674124 is 421476678751668.

It is a self number, because there is not a number n which added to its sum of digits gives 866157876674124.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28155817167 + ... + 28155847929.

It is an arithmetic number, because the mean of its divisors is an integer number (22295394492336).

Almost surely, 2^{866157876674124} is an apocalyptic number.

It is an amenable number.

866157876674124 is an abundant number, since it is smaller than the sum of its proper divisors (1274199994590132).

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

866157876674124 is a wasteful number, since it uses less digits than its factorization.

866157876674124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54575 (or 54573 counting only the distinct ones).

The product of its digits is 4551966720, while the sum is 78.

The spelling of 866157876674124 in words is "eight hundred sixty-six trillion, one hundred fifty-seven billion, eight hundred seventy-six million, six hundred seventy-four thousand, one hundred twenty-four".