6556501005 has 8 divisors (see below), whose sum is σ = 10490401632. Its totient is φ = 3496800528.

The previous prime is 6556501001. The next prime is 6556501009. The reversal of 6556501005 is 5001056556.

It is an interprime number because it is at equal distance from previous prime (6556501001) and next prime (6556501009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6556501005 - 2² = 6556501001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556501001) 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 7 ways as a sum of consecutive naturals, for example, 218550019 + ... + 218550048.

It is an arithmetic number, because the mean of its divisors is an integer number (1311300204).

Almost surely, 2^6556501005 is an apocalyptic number.

It is an amenable number.

6556501005 is a deficient number, since it is larger than the sum of its proper divisors (3933900627).

6556501005 is a wasteful number, since it uses less digits than its factorization.

6556501005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437100075.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 6556501005 is about 80972.2236634267. The cubic root of 6556501005 is about 1871.6474377022.

The spelling of 6556501005 in words is "six billion, five hundred fifty-six million, five hundred one thousand, five".