6576352645 has 8 divisors (see below), whose sum is σ = 8084102040. Its totient is φ = 5132762880.

The previous prime is 6576352603. The next prime is 6576352661. The reversal of 6576352645 is 5462536756.

It can be written as a sum of positive squares in 4 ways, for example, as 562970529 + 6013382116 = 23727^2 + 77546^2 .

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

It is not a de Polignac number, because 6576352645 - 2²⁷ = 6442134917 is a prime.

It is a super-2 number, since 2×6576352645² = 86496828222796992050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 16039680 + ... + 16040089.

It is an arithmetic number, because the mean of its divisors is an integer number (1010512755).

Almost surely, 2^6576352645 is an apocalyptic number.

It is an amenable number.

6576352645 is a deficient number, since it is larger than the sum of its proper divisors (1507749395).

6576352645 is a wasteful number, since it uses less digits than its factorization.

6576352645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32079815.

The product of its digits is 4536000, while the sum is 49.

The square root of 6576352645 is about 81094.7140385858. The cubic root of 6576352645 is about 1873.5345130766.

The spelling of 6576352645 in words is "six billion, five hundred seventy-six million, three hundred fifty-two thousand, six hundred forty-five".