6600464255543 has 4 divisors (see below), whose sum is σ = 6665815386888. Its totient is φ = 6535113124200.

The previous prime is 6600464255513. The next prime is 6600464255557. The reversal of 6600464255543 is 3455524640066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6600464255543 is a prime.

It is a super-2 number, since 2×6600464255543² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6600464255491 and 6600464255500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600464255513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32675565521 + ... + 32675565722.

It is an arithmetic number, because the mean of its divisors is an integer number (1666453846722).

Almost surely, 2^{6600464255543} is an apocalyptic number.

6600464255543 is a deficient number, since it is larger than the sum of its proper divisors (65351131345).

6600464255543 is a wasteful number, since it uses less digits than its factorization.

6600464255543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65351131344.

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 6600464255543 in words is "six trillion, six hundred billion, four hundred sixty-four million, two hundred fifty-five thousand, five hundred forty-three".