2116304440263 has 24 divisors (see below), whose sum is σ = 3299170274400. Its totient is φ = 1299516125760.

The previous prime is 2116304440247. The next prime is 2116304440273. The reversal of 2116304440263 is 3620444036112.

2116304440263 is a `hidden beast` number, since 2 + 11 + 630 + 4 + 4 + 4 + 0 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 2116304440263 - 2⁴ = 2116304440247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116304440223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19564363 + ... + 19672236.

It is an arithmetic number, because the mean of its divisors is an integer number (137465428100).

Almost surely, 2^{2116304440263} is an apocalyptic number.

2116304440263 is a deficient number, since it is larger than the sum of its proper divisors (1182865834137).

2116304440263 is a wasteful number, since it uses less digits than its factorization.

2116304440263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39237079 (or 39237076 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 2116304440263 its reverse (3620444036112), we get a palindrome (5736748476375).

The spelling of 2116304440263 in words is "two trillion, one hundred sixteen billion, three hundred four million, four hundred forty thousand, two hundred sixty-three".