866813067530016 has 48 divisors (see below), whose sum is σ = 2296649576146464. Its totient is φ = 286237336937984.

The previous prime is 866813067529987. The next prime is 866813067530027. The reversal of 866813067530016 is 610035760318668.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42192993405 + ... + 42193013948.

It is an arithmetic number, because the mean of its divisors is an integer number (47846866169718).

Almost surely, 2^{866813067530016} is an apocalyptic number.

It is an amenable number.

866813067530016 is an abundant number, since it is smaller than the sum of its proper divisors (1429836508616448).

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

866813067530016 is a wasteful number, since it uses less digits than its factorization.

866813067530016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84386007473 (or 84386007465 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 866813067530016 in words is "eight hundred sixty-six trillion, eight hundred thirteen billion, sixty-seven million, five hundred thirty thousand, sixteen".