6827613666 has 32 divisors (see below), whose sum is σ = 14135990400. Its totient is φ = 2195854080.

The previous prime is 6827613643. The next prime is 6827613677. The reversal of 6827613666 is 6663167286.

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 15 ways as a sum of consecutive naturals, for example, 249930 + ... + 275898.

It is an arithmetic number, because the mean of its divisors is an integer number (441749700).

Almost surely, 2^6827613666 is an apocalyptic number.

6827613666 is an abundant number, since it is smaller than the sum of its proper divisors (7308376734).

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

6827613666 is a wasteful number, since it uses less digits than its factorization.

6827613666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27514.

The product of its digits is 2612736, while the sum is 51.

The square root of 6827613666 is about 82629.3753213710. The cubic root of 6827613666 is about 1897.0974764532.

The spelling of 6827613666 in words is "six billion, eight hundred twenty-seven million, six hundred thirteen thousand, six hundred sixty-six".