6655219000 has 64 divisors (see below), whose sum is σ = 15654356640. Its totient is φ = 2648217600.

The previous prime is 6655218967. The next prime is 6655219003. The reversal of 6655219000 is 9125566.

It is a happy number.

It is a super-2 number, since 2×6655219000² = 88583879875922000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655219003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175759 + ... + 210241.

Almost surely, 2^6655219000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6655219000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7827178320).

6655219000 is an abundant number, since it is smaller than the sum of its proper divisors (8999137640).

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

6655219000 is a wasteful number, since it uses less digits than its factorization.

6655219000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34697 (or 34683 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 6655219000 is about 81579.5256176450. The cubic root of 6655219000 is about 1880.9941738857.

The spelling of 6655219000 in words is "six billion, six hundred fifty-five million, two hundred nineteen thousand".