8664464168 has 32 divisors (see below), whose sum is σ = 16673328360. Its totient is φ = 4219438080.

The previous prime is 8664464167. The next prime is 8664464201. The reversal of 8664464168 is 8614644668.

It can be written as a sum of positive squares in 4 ways, for example, as 8660535844 + 3928324 = 93062^2 + 1982^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (8664464167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16493 + ... + 132668.

Almost surely, 2^8664464168 is an apocalyptic number.

It is an amenable number.

8664464168 is a deficient number, since it is larger than the sum of its proper divisors (8008864192).

8664464168 is a wasteful number, since it uses less digits than its factorization.

8664464168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149357 (or 149353 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 53.

The square root of 8664464168 is about 93083.1035580572. The cubic root of 8664464168 is about 2053.9060303317.

The spelling of 8664464168 in words is "eight billion, six hundred sixty-four million, four hundred sixty-four thousand, one hundred sixty-eight".