556623156 has 12 divisors (see below), whose sum is σ = 1298787392. Its totient is φ = 185541048.

The previous prime is 556623127. The next prime is 556623157. The reversal of 556623156 is 651326655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556623157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23192620 + ... + 23192643.

Almost surely, 2^556623156 is an apocalyptic number.

It is an amenable number.

556623156 is an abundant number, since it is smaller than the sum of its proper divisors (742164236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556623156 is a wasteful number, since it uses less digits than its factorization.

556623156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46385270 (or 46385268 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 556623156 is about 23592.8623952245. The cubic root of 556623156 is about 822.5969403145.

The spelling of 556623156 in words is "five hundred fifty-six million, six hundred twenty-three thousand, one hundred fifty-six".