7668394245711 has 32 divisors (see below), whose sum is σ = 11510082339840. Its totient is φ = 5045123865600.

The previous prime is 7668394245661. The next prime is 7668394245737. The reversal of 7668394245711 is 1175424938667.

7668394245711 is a `hidden beast` number, since 7 + 6 + 6 + 8 + 39 + 4 + 24 + 571 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-7668394245711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668394245761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163471 + ... + 3919631.

It is an arithmetic number, because the mean of its divisors is an integer number (359690073120).

Almost surely, 2^{7668394245711} is an apocalyptic number.

7668394245711 is a deficient number, since it is larger than the sum of its proper divisors (3841688094129).

7668394245711 is a wasteful number, since it uses less digits than its factorization.

7668394245711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757164 (or 3757158 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 7668394245711 in words is "seven trillion, six hundred sixty-eight billion, three hundred ninety-four million, two hundred forty-five thousand, seven hundred eleven".