8644164676 has 81 divisors (see below), whose sum is σ = 18304699959. Its totient is φ = 3561276096.

The previous prime is 8644164673. The next prime is 8644164677. The reversal of 8644164676 is 6764614468.

The square root of 8644164676 is 92974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2320734276 + 6323430400 = 48174^2 + 79520^2 .

It is not an unprimeable number, because it can be changed into a prime (8644164673) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37747330 + ... + 37747558.

Almost surely, 2^8644164676 is an apocalyptic number.

8644164676 is the 92974-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8644164676

8644164676 is an abundant number, since it is smaller than the sum of its proper divisors (9660535283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8644164676 is a wasteful number, since it uses less digits than its factorization.

8644164676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 267 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 52.

The cubic root of 8644164676 is about 2052.3007819311.

The spelling of 8644164676 in words is "eight billion, six hundred forty-four million, one hundred sixty-four thousand, six hundred seventy-six".