8244164855 has 4 divisors (see below), whose sum is σ = 9892997832. Its totient is φ = 6595331880.

The previous prime is 8244164849. The next prime is 8244164867. The reversal of 8244164855 is 5584614428.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8244164855 - 2⁴ = 8244164839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 824416481 + ... + 824416490.

It is an arithmetic number, because the mean of its divisors is an integer number (2473249458).

Almost surely, 2^8244164855 is an apocalyptic number.

8244164855 is a deficient number, since it is larger than the sum of its proper divisors (1648832977).

8244164855 is a wasteful number, since it uses less digits than its factorization.

8244164855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648832976.

The product of its digits is 1228800, while the sum is 47.

The square root of 8244164855 is about 90797.3835250774. The cubic root of 8244164855 is about 2020.1435096389.

The spelling of 8244164855 in words is "eight billion, two hundred forty-four million, one hundred sixty-four thousand, eight hundred fifty-five".