6886345536 has 126 divisors (see below), whose sum is σ = 22961166930. Its totient is φ = 1967519232.

The previous prime is 6886345489. The next prime is 6886345547. The reversal of 6886345536 is 6355436886.

It is a happy number.

6886345536 is a `hidden beast` number, since 6 + 8 + 8 + 63 + 45 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5920379136 + 965966400 = 76944^2 + 31080^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93771 + ... + 150218.

Almost surely, 2^6886345536 is an apocalyptic number.

It is an amenable number.

6886345536 is an abundant number, since it is smaller than the sum of its proper divisors (16074821394).

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

6886345536 is a wasteful number, since it uses less digits than its factorization.

6886345536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244021 (or 244001 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The square root of 6886345536 is about 82984.0077123297. The cubic root of 6886345536 is about 1902.5216321130.

The spelling of 6886345536 in words is "six billion, eight hundred eighty-six million, three hundred forty-five thousand, five hundred thirty-six".