6654998851488 has 480 divisors, whose sum is σ = 21666150608256. Its totient is φ = 1990622656512.

The previous prime is 6654998851463. The next prime is 6654998851513. The reversal of 6654998851488 is 8841588994566.

6654998851488 is a `hidden beast` number, since 6 + 6 + 5 + 4 + 9 + 9 + 88 + 51 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (6654998851463) and next prime (6654998851513).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2746593445 + ... + 2746595867.

Almost surely, 2^{6654998851488} 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 6654998851488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10833075304128).

6654998851488 is an abundant number, since it is smaller than the sum of its proper divisors (15011151756768).

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

6654998851488 is a wasteful number, since it uses less digits than its factorization.

6654998851488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4681 counting only the distinct ones).

The product of its digits is 4777574400, while the sum is 81.

The spelling of 6654998851488 in words is "six trillion, six hundred fifty-four billion, nine hundred ninety-eight million, eight hundred fifty-one thousand, four hundred eighty-eight".