6563008616 has 8 divisors (see below), whose sum is σ = 12305641170. Its totient is φ = 3281504304.

The previous prime is 6563008609. The next prime is 6563008643. The reversal of 6563008616 is 6168003656.

It can be written as a sum of positive squares in only one way, i.e., 4386412900 + 2176595716 = 66230^2 + 46654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410188031 + ... + 410188046.

Almost surely, 2^6563008616 is an apocalyptic number.

It is an amenable number.

6563008616 is a deficient number, since it is larger than the sum of its proper divisors (5742632554).

6563008616 is a wasteful number, since it uses less digits than its factorization.

6563008616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820376083 (or 820376079 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6563008616 is about 81012.3979153808. The cubic root of 6563008616 is about 1872.2664633052.

The spelling of 6563008616 in words is "six billion, five hundred sixty-three million, eight thousand, six hundred sixteen".