855666941486 has 16 divisors (see below), whose sum is σ = 1469998647936. Its totient is φ = 365929145016.

The previous prime is 855666941413. The next prime is 855666941489. The reversal of 855666941486 is 684149666558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855666941489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65431436 + ... + 65444511.

It is an arithmetic number, because the mean of its divisors is an integer number (91874915496).

Almost surely, 2^855666941486 is an apocalyptic number.

855666941486 is a deficient number, since it is larger than the sum of its proper divisors (614331706450).

855666941486 is a wasteful number, since it uses less digits than its factorization.

855666941486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130876423.

The product of its digits is 298598400, while the sum is 68.

The spelling of 855666941486 in words is "eight hundred fifty-five billion, six hundred sixty-six million, nine hundred forty-one thousand, four hundred eighty-six".