6655005650 has 24 divisors (see below), whose sum is σ = 12389635584. Its totient is φ = 2659566800.

The previous prime is 6655005641. The next prime is 6655005659. The reversal of 6655005650 is 565005566.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6655005641) and next prime (6655005659).

It is not an unprimeable number, because it can be changed into a prime (6655005659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5186 + ... + 115485.

It is an arithmetic number, because the mean of its divisors is an integer number (516234816).

Almost surely, 2^6655005650 is an apocalyptic number.

6655005650 is a deficient number, since it is larger than the sum of its proper divisors (5734629934).

6655005650 is a wasteful number, since it uses less digits than its factorization.

6655005650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121786 (or 121781 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 6655005650 is about 81578.2179874015. The cubic root of 6655005650 is about 1880.9740736508.

The spelling of 6655005650 in words is "six billion, six hundred fifty-five million, five thousand, six hundred fifty".