2116454430663 has 24 divisors (see below), whose sum is σ = 3170811629856. Its totient is φ = 1359242856000.

The previous prime is 2116454430661. The next prime is 2116454430677. The reversal of 2116454430663 is 3660344546112.

2116454430663 is a `hidden beast` number, since 2 + 1 + 16 + 4 + 544 + 30 + 6 + 63 = 666.

It is not a de Polignac number, because 2116454430663 - 2¹ = 2116454430661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116454430661) 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, 31430323 + ... + 31497588.

It is an arithmetic number, because the mean of its divisors is an integer number (132117151244).

Almost surely, 2^{2116454430663} is an apocalyptic number.

2116454430663 is a deficient number, since it is larger than the sum of its proper divisors (1054357199193).

2116454430663 is a wasteful number, since it uses less digits than its factorization.

2116454430663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62928055 (or 62928052 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

Adding to 2116454430663 its reverse (3660344546112), we get a palindrome (5776798976775).

The spelling of 2116454430663 in words is "two trillion, one hundred sixteen billion, four hundred fifty-four million, four hundred thirty thousand, six hundred sixty-three".