6555065655 has 16 divisors (see below), whose sum is σ = 10493368704. Its totient is φ = 3494280480.

The previous prime is 6555065617. The next prime is 6555065659. The reversal of 6555065655 is 5565605556.

It is not a de Polignac number, because 6555065655 - 2⁶ = 6555065591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555065659) 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 15 ways as a sum of consecutive naturals, for example, 78489 + ... + 138818.

It is an arithmetic number, because the mean of its divisors is an integer number (655835544).

Almost surely, 2^6555065655 is an apocalyptic number.

6555065655 is a deficient number, since it is larger than the sum of its proper divisors (3938303049).

6555065655 is a wasteful number, since it uses less digits than its factorization.

6555065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219326.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The square root of 6555065655 is about 80963.3599537470. The cubic root of 6555065655 is about 1871.5108473058.

The spelling of 6555065655 in words is "six billion, five hundred fifty-five million, sixty-five thousand, six hundred fifty-five".