7666695063136 has 12 divisors (see below), whose sum is σ = 15093805905612. Its totient is φ = 3833347531552.

The previous prime is 7666695063059. The next prime is 7666695063187. The reversal of 7666695063136 is 6313605966667.

It is a super-2 number, since 2×7666695063136² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 119792110330 + ... + 119792110393.

It is an arithmetic number, because the mean of its divisors is an integer number (1257817158801).

Almost surely, 2^{7666695063136} is an apocalyptic number.

It is an amenable number.

7666695063136 is a deficient number, since it is larger than the sum of its proper divisors (7427110842476).

7666695063136 is a wasteful number, since it uses less digits than its factorization.

7666695063136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239584220733 (or 239584220725 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 64.

The spelling of 7666695063136 in words is "seven trillion, six hundred sixty-six billion, six hundred ninety-five million, sixty-three thousand, one hundred thirty-six".