9816981600003 has 16 divisors (see below), whose sum is σ = 13096726600320. Its totient is φ = 6540945913664.

The previous prime is 9816981599983. The next prime is 9816981600037. The reversal of 9816981600003 is 3000061896189.

It is a cyclic number.

It is not a de Polignac number, because 9816981600003 - 2²⁴ = 9816964822787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9816981600403) 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, 121032700 + ... + 121113782.

It is an arithmetic number, because the mean of its divisors is an integer number (818545412520).

Almost surely, 2^{9816981600003} is an apocalyptic number.

9816981600003 is a deficient number, since it is larger than the sum of its proper divisors (3279745000317).

9816981600003 is a wasteful number, since it uses less digits than its factorization.

9816981600003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103458.

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 9816981600003 in words is "nine trillion, eight hundred sixteen billion, nine hundred eighty-one million, six hundred thousand, three".