866161455770048 has 28 divisors (see below), whose sum is σ = 1719432639372192. Its totient is φ = 432918586007040.

The previous prime is 866161455769963. The next prime is 866161455770057. The reversal of 866161455770048 is 840077554161668.

866161455770048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 866161455770048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533294565 + ... + 2533636452.

Almost surely, 2^{866161455770048} is an apocalyptic number.

It is an amenable number.

866161455770048 is a deficient number, since it is larger than the sum of its proper divisors (853271183602144).

866161455770048 is a wasteful number, since it uses less digits than its factorization.

866161455770048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066933700 (or 5066933690 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 866161455770048 in words is "eight hundred sixty-six trillion, one hundred sixty-one billion, four hundred fifty-five million, seven hundred seventy thousand, forty-eight".