6655066550 has 60 divisors (see below), whose sum is σ = 13617679380. Its totient is φ = 2419758000.

The previous prime is 6655066549. The next prime is 6655066553. The reversal of 6655066550 is 556605566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655066553) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 727505 + ... + 736595.

It is an arithmetic number, because the mean of its divisors is an integer number (226961323).

Almost surely, 2^6655066550 is an apocalyptic number.

6655066550 is an abundant number, since it is smaller than the sum of its proper divisors (6962612830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655066550 is an equidigital number, since it uses as much as digits as its factorization.

6655066550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 6655066550 is about 81578.5912479494. The cubic root of 6655066550 is about 1880.9798112353.

The spelling of 6655066550 in words is "six billion, six hundred fifty-five million, sixty-six thousand, five hundred fifty".