6501044868552 has 384 divisors, whose sum is σ = 20444336640000. Its totient is φ = 1921836222720.

The previous prime is 6501044868533. The next prime is 6501044868569. The reversal of 6501044868552 is 2558684401056.

6501044868552 is a `hidden beast` number, since 6 + 5 + 0 + 1 + 0 + 4 + 4 + 86 + 8 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108867199 + ... + 108926897.

It is an arithmetic number, because the mean of its divisors is an integer number (53240460000).

Almost surely, 2^{6501044868552} is an apocalyptic number.

6501044868552 is a gapful number since it is divisible by the number (62) 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 6501044868552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10222168320000).

6501044868552 is an abundant number, since it is smaller than the sum of its proper divisors (13943291771448).

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

6501044868552 is a wasteful number, since it uses less digits than its factorization.

6501044868552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59903 (or 59887 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 6501044868552 in words is "six trillion, five hundred one billion, forty-four million, eight hundred sixty-eight thousand, five hundred fifty-two".