9900036752816 has 80 divisors (see below), whose sum is σ = 22386420302400. Its totient is φ = 4239547361280.

The previous prime is 9900036752797. The next prime is 9900036752863. The reversal of 9900036752816 is 6182576300099.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6301856 + ... + 7714496.

It is an arithmetic number, because the mean of its divisors is an integer number (279830253780).

Almost surely, 2^{9900036752816} 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 9900036752816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11193210151200).

9900036752816 is an abundant number, since it is smaller than the sum of its proper divisors (12486383549584).

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

9900036752816 is a wasteful number, since it uses less digits than its factorization.

9900036752816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413947 (or 1413927 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 9900036752816 in words is "nine trillion, nine hundred billion, thirty-six million, seven hundred fifty-two thousand, eight hundred sixteen".