5666006066601 has 4 divisors (see below), whose sum is σ = 7554674755472. Its totient is φ = 3777337377732.

The previous prime is 5666006066569. The next prime is 5666006066629. The reversal of 5666006066601 is 1066606006665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5666006066601 - 2⁵ = 5666006066569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666006066681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944334344431 + ... + 944334344436.

It is an arithmetic number, because the mean of its divisors is an integer number (1888668688868).

Almost surely, 2^{5666006066601} is an apocalyptic number.

It is an amenable number.

5666006066601 is a deficient number, since it is larger than the sum of its proper divisors (1888668688871).

5666006066601 is a wasteful number, since it uses less digits than its factorization.

5666006066601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888668688870.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 5666006066601 in words is "five trillion, six hundred sixty-six billion, six million, sixty-six thousand, six hundred one".