6654549888 has 192 divisors, whose sum is σ = 22836902400. Its totient is φ = 1818584064.

The previous prime is 6654549871. The next prime is 6654549893. The reversal of 6654549888 is 8889454566.

6654549888 is a `hidden beast` number, since 6 + 6 + 5 + 4 + 549 + 8 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167533 + ... + 203411.

It is an arithmetic number, because the mean of its divisors is an integer number (118942200).

Almost surely, 2^6654549888 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 6654549888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11418451200).

6654549888 is an abundant number, since it is smaller than the sum of its proper divisors (16182352512).

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

6654549888 is a wasteful number, since it uses less digits than its factorization.

6654549888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35929 (or 35914 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The square root of 6654549888 is about 81575.4245345987. The cubic root of 6654549888 is about 1880.9311337385.

The spelling of 6654549888 in words is "six billion, six hundred fifty-four million, five hundred forty-nine thousand, eight hundred eighty-eight".