11001666716493 has 16 divisors (see below), whose sum is σ = 15068003771520. Its totient is φ = 7134957026496.

The previous prime is 11001666716473. The next prime is 11001666716501. The reversal of 11001666716493 is 39461766610011.

It is not a de Polignac number, because 11001666716493 - 2²⁰ = 11001665667917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001666716473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112505 + ... + 9371022.

It is an arithmetic number, because the mean of its divisors is an integer number (941750235720).

Almost surely, 2^{11001666716493} is an apocalyptic number.

It is an amenable number.

11001666716493 is a deficient number, since it is larger than the sum of its proper divisors (4066337055027).

11001666716493 is a wasteful number, since it uses less digits than its factorization.

11001666716493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489236.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 11001666716493 in words is "eleven trillion, one billion, six hundred sixty-six million, seven hundred sixteen thousand, four hundred ninety-three".