7666695458065 has 8 divisors (see below), whose sum is σ = 10514325199680. Its totient is φ = 5257162599792.

The previous prime is 7666695458029. The next prime is 7666695458077. The reversal of 7666695458065 is 5608545966667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7666695458065 - 2¹³ = 7666695449873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109524220795 + ... + 109524220864.

It is an arithmetic number, because the mean of its divisors is an integer number (1314290649960).

Almost surely, 2^{7666695458065} is an apocalyptic number.

It is an amenable number.

7666695458065 is a deficient number, since it is larger than the sum of its proper divisors (2847629741615).

7666695458065 is a wasteful number, since it uses less digits than its factorization.

7666695458065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219048441671.

The product of its (nonzero) digits is 1959552000, while the sum is 73.

The spelling of 7666695458065 in words is "seven trillion, six hundred sixty-six billion, six hundred ninety-five million, four hundred fifty-eight thousand, sixty-five".