6579345561 has 8 divisors (see below), whose sum is σ = 8850093600. Its totient is φ = 4347413952.

The previous prime is 6579345541. The next prime is 6579345583. The reversal of 6579345561 is 1655439756.

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

It is not a de Polignac number, because 6579345561 - 2¹⁵ = 6579312793 is a prime.

It is a super-2 number, since 2×6579345561² = 86575576022100809442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6579345541) 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, 9703711 + ... + 9704388.

It is an arithmetic number, because the mean of its divisors is an integer number (1106261700).

Almost surely, 2^6579345561 is an apocalyptic number.

It is an amenable number.

6579345561 is a deficient number, since it is larger than the sum of its proper divisors (2270748039).

6579345561 is a wasteful number, since it uses less digits than its factorization.

6579345561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19408215.

The product of its digits is 3402000, while the sum is 51.

The square root of 6579345561 is about 81113.1651521502. The cubic root of 6579345561 is about 1873.8186868581.

The spelling of 6579345561 in words is "six billion, five hundred seventy-nine million, three hundred forty-five thousand, five hundred sixty-one".