6686045176320 has 120 divisors (see below), whose sum is σ = 23155654975596. Its totient is φ = 1782945374208.

The previous prime is 6686045176273. The next prime is 6686045176351. The reversal of 6686045176320 is 236715406866.

6686045176320 is a `hidden beast` number, since 6 + 6 + 8 + 60 + 4 + 517 + 63 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6308616796416 + 377428379904 = 2511696^2 + 614352^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145073427 + ... + 145119506.

Almost surely, 2^{6686045176320} is an apocalyptic number.

6686045176320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6686045176320 is an abundant number, since it is smaller than the sum of its proper divisors (16469609799276).

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

6686045176320 is a wasteful number, since it uses less digits than its factorization.

6686045176320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290192962 (or 290192943 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 6686045176320 in words is "six trillion, six hundred eighty-six billion, forty-five million, one hundred seventy-six thousand, three hundred twenty".