6498217545066 has 48 divisors (see below), whose sum is σ = 15572305128744. Its totient is φ = 1945412318592.

The previous prime is 6498217544999. The next prime is 6498217545067. The reversal of 6498217545066 is 6605457128946.

6498217545066 is a `hidden beast` number, since 6 + 4 + 9 + 8 + 2 + 175 + 450 + 6 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5152768340841 + 1345449204225 = 2269971^2 + 1159935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6498217544994 and 6498217545012.

It is not an unprimeable number, because it can be changed into a prime (6498217545067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375263781 + ... + 375281096.

Almost surely, 2^{6498217545066} is an apocalyptic number.

6498217545066 is an abundant number, since it is smaller than the sum of its proper divisors (9074087583678).

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

6498217545066 is a wasteful number, since it uses less digits than its factorization.

6498217545066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750544935 (or 750544932 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 6498217545066 in words is "six trillion, four hundred ninety-eight billion, two hundred seventeen million, five hundred forty-five thousand, sixty-six".