8128863164 has 12 divisors (see below), whose sum is σ = 14226142224. Its totient is φ = 4064251104.

The previous prime is 8128863137. The next prime is 8128863187. The reversal of 8128863164 is 4613688218.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149384 + ... + 196400.

It is an arithmetic number, because the mean of its divisors is an integer number (1185511852).

Almost surely, 2^8128863164 is an apocalyptic number.

It is an amenable number.

8128863164 is a deficient number, since it is larger than the sum of its proper divisors (6097279060).

8128863164 is a wasteful number, since it uses less digits than its factorization.

8128863164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90244 (or 90242 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 8128863164 is about 90160.2083183041. The cubic root of 8128863164 is about 2010.6814487692.

The spelling of 8128863164 in words is "eight billion, one hundred twenty-eight million, eight hundred sixty-three thousand, one hundred sixty-four".