6460661064544 has 12 divisors (see below), whose sum is σ = 12719426470884. Its totient is φ = 3230330532256.

The previous prime is 6460661064491. The next prime is 6460661064569. The reversal of 6460661064544 is 4454601660646.

It is a super-2 number, since 2×6460661064544² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6460661064491 and 6460661064500.

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 as a sum of consecutive naturals, namely, 100947829102 + ... + 100947829165.

It is an arithmetic number, because the mean of its divisors is an integer number (1059952205907).

Almost surely, 2^{6460661064544} is an apocalyptic number.

It is an amenable number.

6460661064544 is a deficient number, since it is larger than the sum of its proper divisors (6258765406340).

6460661064544 is a wasteful number, since it uses less digits than its factorization.

6460661064544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201895658277 (or 201895658269 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 6460661064544 in words is "six trillion, four hundred sixty billion, six hundred sixty-one million, sixty-four thousand, five hundred forty-four".