9964366080 has 144 divisors (see below), whose sum is σ = 33498870720. Its totient is φ = 2517295104.

The previous prime is 9964366051. The next prime is 9964366081. The reversal of 9964366080 is 806634699.

It is not an unprimeable number, because it can be changed into a prime (9964366081) 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, 4674 + ... + 141246.

Almost surely, 2^9964366080 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 9964366080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16749435360).

9964366080 is an abundant number, since it is smaller than the sum of its proper divisors (23534504640).

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

9964366080 is a wasteful number, since it uses less digits than its factorization.

9964366080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136616 (or 136602 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 9964366080 is about 99821.6713945424. The cubic root of 9964366080 is about 2151.8726126094.

The spelling of 9964366080 in words is "nine billion, nine hundred sixty-four million, three hundred sixty-six thousand, eighty".