556165565 has 8 divisors (see below), whose sum is σ = 678710880. Its totient is φ = 437390992.

The previous prime is 556165559. The next prime is 556165579. The reversal of 556165565 is 565561655.

556165565 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 556165565 - 2²⁸ = 287730109 is a prime.

It is a congruent number.

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, 942359 + ... + 942948.

It is an arithmetic number, because the mean of its divisors is an integer number (84838860).

Almost surely, 2^556165565 is an apocalyptic number.

It is an amenable number.

556165565 is a deficient number, since it is larger than the sum of its proper divisors (122545315).

556165565 is a wasteful number, since it uses less digits than its factorization.

556165565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885371.

The product of its digits is 675000, while the sum is 44.

The square root of 556165565 is about 23583.1627437882. The cubic root of 556165565 is about 822.3714639174.

The spelling of 556165565 in words is "five hundred fifty-six million, one hundred sixty-five thousand, five hundred sixty-five".