6566055461 has 8 divisors (see below), whose sum is σ = 7553760384. Its totient is φ = 5590774800.

The previous prime is 6566055443. The next prime is 6566055481. The reversal of 6566055461 is 1645506656.

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 a de Polignac number, because none of the positive numbers 2^k-6566055461 is a prime.

It is a super-2 number, since 2×6566055461² = 86226168633855845042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566055481) 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, 3104930 + ... + 3107043.

It is an arithmetic number, because the mean of its divisors is an integer number (944220048).

Almost surely, 2^6566055461 is an apocalyptic number.

It is an amenable number.

6566055461 is a deficient number, since it is larger than the sum of its proper divisors (987704923).

6566055461 is a wasteful number, since it uses less digits than its factorization.

6566055461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212131.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 6566055461 is about 81031.2005402857. The cubic root of 6566055461 is about 1872.5561486975.

It can be divided in two parts, 65660 and 55461, that added together give a palindrome (121121).

The spelling of 6566055461 in words is "six billion, five hundred sixty-six million, fifty-five thousand, four hundred sixty-one".