566749666947665 has 8 divisors (see below), whose sum is σ = 691626712207680. Its totient is φ = 445714992311152.

The previous prime is 566749666947613. The next prime is 566749666947701.

566749666947665 is nontrivially palindromic in base 10.

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 566749666947665 - 2¹⁰ = 566749666946641 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, 960592655549 + ... + 960592656138.

It is an arithmetic number, because the mean of its divisors is an integer number (86453339025960).

Almost surely, 2^{566749666947665} is an apocalyptic number.

It is an amenable number.

566749666947665 is a deficient number, since it is larger than the sum of its proper divisors (124877045260015).

566749666947665 is a wasteful number, since it uses less digits than its factorization.

566749666947665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921185311751.

The product of its digits is 444426393600, while the sum is 92.

The spelling of 566749666947665 in words is "five hundred sixty-six trillion, seven hundred forty-nine billion, six hundred sixty-six million, nine hundred forty-seven thousand, six hundred sixty-five".