6555106500 has 192 divisors, whose sum is σ = 20558603520. Its totient is φ = 1616947200.

The previous prime is 6555106471. The next prime is 6555106561. The reversal of 6555106500 is 56015556.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1502322 + ... + 1506678.

It is an arithmetic number, because the mean of its divisors is an integer number (107076060).

Almost surely, 2^6555106500 is an apocalyptic number.

6555106500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6555106500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10279301760).

6555106500 is an abundant number, since it is smaller than the sum of its proper divisors (14003497020).

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

6555106500 is a wasteful number, since it uses less digits than its factorization.

6555106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 6555106500 is about 80963.6121970852. The cubic root of 6555106500 is about 1871.5147344625.

The spelling of 6555106500 in words is "six billion, five hundred fifty-five million, one hundred six thousand, five hundred".