6556120522 has 32 divisors (see below), whose sum is σ = 11712499200. Its totient is φ = 2749970160.

The previous prime is 6556120507. The next prime is 6556120547. The reversal of 6556120522 is 2250216556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69429 + ... + 133912.

It is an arithmetic number, because the mean of its divisors is an integer number (366015600).

Almost surely, 2^6556120522 is an apocalyptic number.

6556120522 is a deficient number, since it is larger than the sum of its proper divisors (5156378678).

6556120522 is a wasteful number, since it uses less digits than its factorization.

6556120522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203411 (or 203397 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 6556120522 is about 80969.8741631726. The cubic root of 6556120522 is about 1871.6112322217.

The spelling of 6556120522 in words is "six billion, five hundred fifty-six million, one hundred twenty thousand, five hundred twenty-two".