6576661 has 8 divisors (see below), whose sum is σ = 8094464. Its totient is φ = 5203440.

The previous prime is 6576631. The next prime is 6576667. The reversal of 6576661 is 1666756.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6576661 - 2⁹ = 6576149 is a prime.

It is the 2565-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 6576661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6576667) by changing a digit.

It is a nontrivial repunit in base 2564.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36045 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (1011808).

Almost surely, 2^6576661 is an apocalyptic number.

It is an amenable number.

6576661 is a deficient number, since it is larger than the sum of its proper divisors (1517803).

6576661 is a wasteful number, since it uses less digits than its factorization.

6576661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72291.

The product of its digits is 45360, while the sum is 37.

The square root of 6576661 is about 2564.5001462273. The cubic root of 6576661 is about 187.3563794997.

The spelling of 6576661 in words is "six million, five hundred seventy-six thousand, six hundred sixty-one".