4086864668661 has 16 divisors (see below), whose sum is σ = 5469628821888. Its totient is φ = 2714357217600.

The previous prime is 4086864668611. The next prime is 4086864668717. The reversal of 4086864668661 is 1668664686804.

It is not a de Polignac number, because 4086864668661 - 2⁶ = 4086864668597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086864668611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468906 + ... + 3214251.

It is an arithmetic number, because the mean of its divisors is an integer number (341851801368).

Almost surely, 2^{4086864668661} is an apocalyptic number.

It is an amenable number.

4086864668661 is a deficient number, since it is larger than the sum of its proper divisors (1382764153227).

4086864668661 is a wasteful number, since it uses less digits than its factorization.

4086864668661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684252.

The product of its (nonzero) digits is 382205952, while the sum is 69.

The spelling of 4086864668661 in words is "four trillion, eighty-six billion, eight hundred sixty-four million, six hundred sixty-eight thousand, six hundred sixty-one".