6855195452832 has 144 divisors (see below), whose sum is σ = 19683377296128. Its totient is φ = 2263027507200.

The previous prime is 6855195452827. The next prime is 6855195452837. The reversal of 6855195452832 is 2382545915586.

It is a happy number.

6855195452832 is a `hidden beast` number, since 6 + 8 + 5 + 5 + 1 + 9 + 545 + 2 + 83 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6855195452827) and next prime (6855195452837).

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 6855195452832.

It is not an unprimeable number, because it can be changed into a prime (6855195452837) 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, 12118707 + ... + 12671757.

It is an arithmetic number, because the mean of its divisors is an integer number (136690120112).

Almost surely, 2^{6855195452832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6855195452832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9841688648064).

6855195452832 is an abundant number, since it is smaller than the sum of its proper divisors (12828181843296).

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

6855195452832 is a wasteful number, since it uses less digits than its factorization.

6855195452832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553483 (or 553472 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 63.

The spelling of 6855195452832 in words is "six trillion, eight hundred fifty-five billion, one hundred ninety-five million, four hundred fifty-two thousand, eight hundred thirty-two".