866130588044864 has 28 divisors (see below), whose sum is σ = 1774170720676608. Its totient is φ = 419095445827200.

The previous prime is 866130588044849. The next prime is 866130588044893. The reversal of 866130588044864 is 468440885031668.

866130588044864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×866130588044864³ (a number of 46 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218278876052 + ... + 218278880019.

Almost surely, 2^{866130588044864} is an apocalyptic number.

It is an amenable number.

866130588044864 is an abundant number, since it is smaller than the sum of its proper divisors (908040132631744).

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

866130588044864 is a wasteful number, since it uses less digits than its factorization.

866130588044864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436557756114 (or 436557756104 counting only the distinct ones).

The product of its (nonzero) digits is 849346560, while the sum is 71.

The spelling of 866130588044864 in words is "eight hundred sixty-six trillion, one hundred thirty billion, five hundred eighty-eight million, forty-four thousand, eight hundred sixty-four".