9951663104 has 88 divisors (see below), whose sum is σ = 20405806080. Its totient is φ = 4849238016.

The previous prime is 9951663097. The next prime is 9951663107. The reversal of 9951663104 is 4013661599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9951663107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7672184 + ... + 7673480.

It is an arithmetic number, because the mean of its divisors is an integer number (231884160).

Almost surely, 2^9951663104 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 9951663104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10202903040).

9951663104 is an abundant number, since it is smaller than the sum of its proper divisors (10454142976).

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

9951663104 is a wasteful number, since it uses less digits than its factorization.

9951663104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 9951663104 is about 99758.0227550647. The cubic root of 9951663104 is about 2150.9577924001.

The spelling of 9951663104 in words is "nine billion, nine hundred fifty-one million, six hundred sixty-three thousand, one hundred four".