6688885160 has 32 divisors (see below), whose sum is σ = 15456751560. Its totient is φ = 2603241216.

The previous prime is 6688885141. The next prime is 6688885183. The reversal of 6688885160 is 615888866.

It can be written as a sum of positive squares in 4 ways, for example, as 4676644996 + 2012240164 = 68386^2 + 44858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6688885096 and 6688885105.

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, 2258279 + ... + 2261238.

Almost surely, 2^6688885160 is an apocalyptic number.

It is an amenable number.

6688885160 is an abundant number, since it is smaller than the sum of its proper divisors (8767866400).

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

6688885160 is a wasteful number, since it uses less digits than its factorization.

6688885160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519565 (or 4519561 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 56.

The square root of 6688885160 is about 81785.6048458407. The cubic root of 6688885160 is about 1884.1605795606.

The spelling of 6688885160 in words is "six billion, six hundred eighty-eight million, eight hundred eighty-five thousand, one hundred sixty".