6566517006 has 16 divisors (see below), whose sum is σ = 15009181824. Its totient is φ = 1876147704.

The previous prime is 6566516989. The next prime is 6566517007. The reversal of 6566517006 is 6007156656.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 156345643 = 6566517006 / (6 + 5 + 6 + 6 + 5 + 1 + 7 + 0 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566517007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78172780 + ... + 78172863.

It is an arithmetic number, because the mean of its divisors is an integer number (938073864).

Almost surely, 2^6566517006 is an apocalyptic number.

6566517006 is an abundant number, since it is smaller than the sum of its proper divisors (8442664818).

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

6566517006 is a wasteful number, since it uses less digits than its factorization.

6566517006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156345655.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 6566517006 is about 81034.0484364443. The cubic root of 6566517006 is about 1872.6000232725.

The spelling of 6566517006 in words is "six billion, five hundred sixty-six million, five hundred seventeen thousand, six".