2116565204963 has 8 divisors (see below), whose sum is σ = 2371385094960. Its totient is φ = 1872146126880.

The previous prime is 2116565204959. The next prime is 2116565204969. The reversal of 2116565204963 is 3694025656112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2116565204963 - 2² = 2116565204959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116565204969) 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, 2600202548 + ... + 2600203361.

It is an arithmetic number, because the mean of its divisors is an integer number (296423136870).

Almost surely, 2^{2116565204963} is an apocalyptic number.

2116565204963 is a deficient number, since it is larger than the sum of its proper divisors (254819889997).

2116565204963 is a wasteful number, since it uses less digits than its factorization.

2116565204963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200405957.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 2116565204963 in words is "two trillion, one hundred sixteen billion, five hundred sixty-five million, two hundred four thousand, nine hundred sixty-three".