6556005650564 has 24 divisors (see below), whose sum is σ = 11921538187776. Its totient is φ = 3151252440000.

The previous prime is 6556005650561. The next prime is 6556005650567. The reversal of 6556005650564 is 4650565006556.

It is an interprime number because it is at equal distance from previous prime (6556005650561) and next prime (6556005650567).

It is not an unprimeable number, because it can be changed into a prime (6556005650561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175050857 + ... + 175088304.

It is an arithmetic number, because the mean of its divisors is an integer number (496730757824).

Almost surely, 2^{6556005650564} is an apocalyptic number.

It is an amenable number.

6556005650564 is a deficient number, since it is larger than the sum of its proper divisors (5365532537212).

6556005650564 is a wasteful number, since it uses less digits than its factorization.

6556005650564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350139347 (or 350139345 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 53.

The spelling of 6556005650564 in words is "six trillion, five hundred fifty-six billion, five million, six hundred fifty thousand, five hundred sixty-four".