2066605576565 has 8 divisors (see below), whose sum is σ = 2481020629920. Its totient is φ = 1652555169232.

The previous prime is 2066605576549. The next prime is 2066605576573. The reversal of 2066605576565 is 5656755066602.

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 2066605576565 - 2⁴ = 2066605576549 is a prime.

It is a congruent number.

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, 91149035 + ... + 91171704.

It is an arithmetic number, because the mean of its divisors is an integer number (310127578740).

Almost surely, 2^{2066605576565} is an apocalyptic number.

It is an amenable number.

2066605576565 is a deficient number, since it is larger than the sum of its proper divisors (414415053355).

2066605576565 is a wasteful number, since it uses less digits than its factorization.

2066605576565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182323011.

The product of its (nonzero) digits is 68040000, while the sum is 59.

The spelling of 2066605576565 in words is "two trillion, sixty-six billion, six hundred five million, five hundred seventy-six thousand, five hundred sixty-five".