6655457226 has 64 divisors (see below), whose sum is σ = 14730854400. Its totient is φ = 1987752000.

The previous prime is 6655457219. The next prime is 6655457309. The reversal of 6655457226 is 6227545566.

It is a super-2 number, since 2×6655457226² = 88590221774231230152, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5781751 + ... + 5782901.

It is an arithmetic number, because the mean of its divisors is an integer number (230169600).

Almost surely, 2^6655457226 is an apocalyptic number.

6655457226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6655457226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365427200).

6655457226 is an abundant number, since it is smaller than the sum of its proper divisors (8075397174).

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

6655457226 is a wasteful number, since it uses less digits than its factorization.

6655457226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its digits is 3024000, while the sum is 48.

The square root of 6655457226 is about 81580.9856890685. The cubic root of 6655457226 is about 1881.0166172429.

The spelling of 6655457226 in words is "six billion, six hundred fifty-five million, four hundred fifty-seven thousand, two hundred twenty-six".