6655650 has 24 divisors (see below), whose sum is σ = 16506384. Its totient is φ = 1774800.

The previous prime is 6655639. The next prime is 6655651. The reversal of 6655650 is 565566.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6655651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22036 + ... + 22335.

It is an arithmetic number, because the mean of its divisors is an integer number (687766).

Almost surely, 2^6655650 is an apocalyptic number.

6655650 is an abundant number, since it is smaller than the sum of its proper divisors (9850734).

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

6655650 is a wasteful number, since it uses less digits than its factorization.

6655650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44386 (or 44381 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 6655650 is about 2579.8546470683. The cubic root of 6655650 is about 188.1034778159.

The spelling of 6655650 in words is "six million, six hundred fifty-five thousand, six hundred fifty".