6530665650366 has 96 divisors (see below), whose sum is σ = 15961131285120. Its totient is φ = 1763767824000.

The previous prime is 6530665650359. The next prime is 6530665650391. The reversal of 6530665650366 is 6630565660356.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9771360 + ... + 10418291.

It is an arithmetic number, because the mean of its divisors is an integer number (166261784220).

Almost surely, 2^{6530665650366} is an apocalyptic number.

6530665650366 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6530665650366 is an abundant number, since it is smaller than the sum of its proper divisors (9430465634754).

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

6530665650366 is a wasteful number, since it uses less digits than its factorization.

6530665650366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189722 (or 20189709 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 57.

The spelling of 6530665650366 in words is "six trillion, five hundred thirty billion, six hundred sixty-five million, six hundred fifty thousand, three hundred sixty-six".