5666226665 has 8 divisors (see below), whose sum is σ = 7417605888. Its totient is φ = 4120892080.

The previous prime is 5666226589. The next prime is 5666226689.

5666226665 is nontrivially palindromic in base 10.

5666226665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5666226665 - 2¹⁴ = 5666210281 is a prime.

It is a super-2 number, since 2×5666226665² = 64212249238314044450, which contains 22 as substring.

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, 51511097 + ... + 51511206.

It is an arithmetic number, because the mean of its divisors is an integer number (927200736).

Almost surely, 2^5666226665 is an apocalyptic number.

5666226665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5666226665 is a deficient number, since it is larger than the sum of its proper divisors (1751379223).

5666226665 is a wasteful number, since it uses less digits than its factorization.

5666226665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103022319.

The product of its digits is 4665600, while the sum is 50.

The square root of 5666226665 is about 75274.3426739816. The cubic root of 5666226665 is about 1782.7809352842.

The spelling of 5666226665 in words is "five billion, six hundred sixty-six million, two hundred twenty-six thousand, six hundred sixty-five".