2116613333646 has 48 divisors (see below), whose sum is σ = 5241281426784. Its totient is φ = 604730092032.

The previous prime is 2116613333641. The next prime is 2116613333669. The reversal of 2116613333646 is 6463333166112.

It is a happy number.

2116613333646 is a `hidden beast` number, since 21 + 1 + 6 + 613 + 3 + 3 + 3 + 6 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116613333641) 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, 4823850 + ... + 5244306.

It is an arithmetic number, because the mean of its divisors is an integer number (109193363058).

Almost surely, 2^{2116613333646} is an apocalyptic number.

2116613333646 is an abundant number, since it is smaller than the sum of its proper divisors (3124668093138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116613333646 is a wasteful number, since it uses less digits than its factorization.

2116613333646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460425 (or 460422 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

Adding to 2116613333646 its reverse (6463333166112), we get a palindrome (8579946499758).

The spelling of 2116613333646 in words is "two trillion, one hundred sixteen billion, six hundred thirteen million, three hundred thirty-three thousand, six hundred forty-six".