866446701734064 has 120 divisors (see below), whose sum is σ = 2552585635438272. Its totient is φ = 251143971436160.

The previous prime is 866446701734021. The next prime is 866446701734069. The reversal of 866446701734064 is 460437107644668.

866446701734064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 866446701733986 and 866446701734004.

It is not an unprimeable number, because it can be changed into a prime (866446701734069) 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, 1550758062 + ... + 1551316685.

Almost surely, 2^{866446701734064} is an apocalyptic number.

It is an amenable number.

866446701734064 is an abundant number, since it is smaller than the sum of its proper divisors (1686138933704208).

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

866446701734064 is a wasteful number, since it uses less digits than its factorization.

866446701734064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102074815 (or 3102074786 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 66.

The spelling of 866446701734064 in words is "eight hundred sixty-six trillion, four hundred forty-six billion, seven hundred one million, seven hundred thirty-four thousand, sixty-four".