6864855852160 has 32 divisors (see below), whose sum is σ = 16411296023100. Its totient is φ = 2745942340608.

The previous prime is 6864855852131. The next prime is 6864855852181. The reversal of 6864855852160 is 612585584686.

It can be written as a sum of positive squares in 2 ways, for example, as 6721408834624 + 143447017536 = 2592568^2 + 378744^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 6864855852092 and 6864855852101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363167995 + ... + 5363169274.

Almost surely, 2^{6864855852160} is an apocalyptic number.

It is an amenable number.

6864855852160 is an abundant number, since it is smaller than the sum of its proper divisors (9546440170940).

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

6864855852160 is a wasteful number, since it uses less digits than its factorization.

6864855852160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726337288 (or 10726337276 counting only the distinct ones).

The product of its (nonzero) digits is 110592000, while the sum is 64.

The spelling of 6864855852160 in words is "six trillion, eight hundred sixty-four billion, eight hundred fifty-five million, eight hundred fifty-two thousand, one hundred sixty".