556206157 has 16 divisors (see below), whose sum is σ = 616553280. Its totient is φ = 498580992.

The previous prime is 556206149. The next prime is 556206173. The reversal of 556206157 is 751602655.

It is not a de Polignac number, because 556206157 - 2³ = 556206149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556206127) 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 15 ways as a sum of consecutive naturals, for example, 59293 + ... + 68029.

It is an arithmetic number, because the mean of its divisors is an integer number (38534580).

Almost surely, 2^556206157 is an apocalyptic number.

It is an amenable number.

556206157 is a deficient number, since it is larger than the sum of its proper divisors (60347123).

556206157 is a wasteful number, since it uses less digits than its factorization.

556206157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 556206157 is about 23584.0233420848. The cubic root of 556206157 is about 822.3914704840.

The spelling of 556206157 in words is "five hundred fifty-six million, two hundred six thousand, one hundred fifty-seven".