8955043664 has 80 divisors (see below), whose sum is σ = 20237133312. Its totient is φ = 3759135744.

The previous prime is 8955043651. The next prime is 8955043667. The reversal of 8955043664 is 4663405598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8955043667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656217 + ... + 5657799.

Almost surely, 2^8955043664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8955043664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10118566656).

8955043664 is an abundant number, since it is smaller than the sum of its proper divisors (11282089648).

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

8955043664 is a wasteful number, since it uses less digits than its factorization.

8955043664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The square root of 8955043664 is about 94631.0924802203. The cubic root of 8955043664 is about 2076.6145977009.

The spelling of 8955043664 in words is "eight billion, nine hundred fifty-five million, forty-three thousand, six hundred sixty-four".