7646688866468 has 24 divisors (see below), whose sum is σ = 13645381056384. Its totient is φ = 3748416890400.

The previous prime is 7646688866423. The next prime is 7646688866491. The reversal of 7646688866468 is 8646688866467.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50965628 + ... + 51115443.

It is an arithmetic number, because the mean of its divisors is an integer number (568557544016).

Almost surely, 2^{7646688866468} is an apocalyptic number.

It is an amenable number.

7646688866468 is a deficient number, since it is larger than the sum of its proper divisors (5998692189916).

7646688866468 is a wasteful number, since it uses less digits than its factorization.

7646688866468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102081443 (or 102081441 counting only the distinct ones).

The product of its digits is 21403533312, while the sum is 83.

Subtracting 7646688866468 from its reverse (8646688866467), we obtain a palindrome (999999999999).

The spelling of 7646688866468 in words is "seven trillion, six hundred forty-six billion, six hundred eighty-eight million, eight hundred sixty-six thousand, four hundred sixty-eight".