5566206121 has 8 divisors (see below), whose sum is σ = 6481404864. Its totient is φ = 4681014000.

The previous prime is 5566206109. The next prime is 5566206167. The reversal of 5566206121 is 1216026655.

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 5566206121 - 2¹³ = 5566197929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5536206121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7501255 + ... + 7501996.

It is an arithmetic number, because the mean of its divisors is an integer number (810175608).

Almost surely, 2^5566206121 is an apocalyptic number.

It is an amenable number.

5566206121 is a deficient number, since it is larger than the sum of its proper divisors (915198743).

5566206121 is a wasteful number, since it uses less digits than its factorization.

5566206121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15003311.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5566206121 is about 74607.0112053820. The cubic root of 5566206121 is about 1772.2286842841.

The spelling of 5566206121 in words is "five billion, five hundred sixty-six million, two hundred six thousand, one hundred twenty-one".