2103873516663 has 16 divisors (see below), whose sum is σ = 2823924810720. Its totient is φ = 1393207934976.

The previous prime is 2103873516497. The next prime is 2103873516677. The reversal of 2103873516663 is 3666153783012.

It is not a de Polignac number, because 2103873516663 - 2¹⁴ = 2103873500279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103873517663) 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, 787831 + ... + 2197367.

It is an arithmetic number, because the mean of its divisors is an integer number (176495300670).

Almost surely, 2^{2103873516663} is an apocalyptic number.

2103873516663 is a deficient number, since it is larger than the sum of its proper divisors (720051294057).

2103873516663 is a wasteful number, since it uses less digits than its factorization.

2103873516663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412866.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 2103873516663 in words is "two trillion, one hundred three billion, eight hundred seventy-three million, five hundred sixteen thousand, six hundred sixty-three".