86640863548366 has 32 divisors (see below), whose sum is σ = 144857521739520. Its totient is φ = 38623862217600.

The previous prime is 86640863548333. The next prime is 86640863548411. The reversal of 86640863548366 is 66384536804668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6227271 + ... + 14562301.

It is an arithmetic number, because the mean of its divisors is an integer number (4526797554360).

Almost surely, 2^{86640863548366} is an apocalyptic number.

86640863548366 is a deficient number, since it is larger than the sum of its proper divisors (58216658191154).

86640863548366 is a wasteful number, since it uses less digits than its factorization.

86640863548366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351160.

The product of its (nonzero) digits is 2866544640, while the sum is 73.

The spelling of 86640863548366 in words is "eighty-six trillion, six hundred forty billion, eight hundred sixty-three million, five hundred forty-eight thousand, three hundred sixty-six".