6655606716 has 24 divisors (see below), whose sum is σ = 16941544704. Its totient is φ = 2016850480.

The previous prime is 6655606703. The next prime is 6655606747. The reversal of 6655606716 is 6176065566.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25210500 + ... + 25210763.

It is an arithmetic number, because the mean of its divisors is an integer number (705897696).

Almost surely, 2^6655606716 is an apocalyptic number.

6655606716 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6655606716 is an abundant number, since it is smaller than the sum of its proper divisors (10285937988).

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

6655606716 is a wasteful number, since it uses less digits than its factorization.

6655606716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50421281 (or 50421279 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 6655606716 is about 81581.9018900638. The cubic root of 6655606716 is about 1881.0307004761.

It can be divided in two parts, 665560 and 6716, that added together give a palindrome (672276).

The spelling of 6655606716 in words is "six billion, six hundred fifty-five million, six hundred six thousand, seven hundred sixteen".