6671768705 has 12 divisors (see below), whose sum is σ = 9313244820. Its totient is φ = 4574926944.

The previous prime is 6671768671. The next prime is 6671768801. The reversal of 6671768705 is 5078671766.

It can be written as a sum of positive squares in 2 ways, for example, as 2866852849 + 3804915856 = 53543^2 + 61684^2 .

It is not a de Polignac number, because 6671768705 - 2¹⁶ = 6671703169 is a prime.

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, 13615610 + ... + 13616099.

It is an arithmetic number, because the mean of its divisors is an integer number (776103735).

Almost surely, 2^6671768705 is an apocalyptic number.

It is an amenable number.

6671768705 is a deficient number, since it is larger than the sum of its proper divisors (2641476115).

6671768705 is a wasteful number, since it uses less digits than its factorization.

6671768705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27231728 (or 27231721 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The square root of 6671768705 is about 81680.8955937678. The cubic root of 6671768705 is about 1882.5520555238.

The spelling of 6671768705 in words is "six billion, six hundred seventy-one million, seven hundred sixty-eight thousand, seven hundred five".