556106566 has 8 divisors (see below), whose sum is σ = 846610200. Its totient is φ = 273903168.

The previous prime is 556106563. The next prime is 556106569. The reversal of 556106566 is 665601655.

It is an interprime number because it is at equal distance from previous prime (556106563) and next prime (556106569).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556106563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074891 + ... + 2075158.

It is an arithmetic number, because the mean of its divisors is an integer number (105826275).

Almost surely, 2^556106566 is an apocalyptic number.

556106566 is a deficient number, since it is larger than the sum of its proper divisors (290503634).

556106566 is a wasteful number, since it uses less digits than its factorization.

556106566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150118.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 556106566 is about 23581.9118393738. The cubic root of 556106566 is about 822.3423833625.

The spelling of 556106566 in words is "five hundred fifty-six million, one hundred six thousand, five hundred sixty-six".