6510651606556 has 48 divisors (see below), whose sum is σ = 12235713336000. Its totient is φ = 3020471866368.

The previous prime is 6510651606533. The next prime is 6510651606581. The reversal of 6510651606556 is 6556061560156.

It is a super-2 number, since 2×6510651606556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732031 + ... + 3682006.

It is an arithmetic number, because the mean of its divisors is an integer number (254910694500).

Almost surely, 2^{6510651606556} is an apocalyptic number.

It is an amenable number.

6510651606556 is a deficient number, since it is larger than the sum of its proper divisors (5725061729444).

6510651606556 is a wasteful number, since it uses less digits than its factorization.

6510651606556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414366 (or 4414364 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 6510651606556 in words is "six trillion, five hundred ten billion, six hundred fifty-one million, six hundred six thousand, five hundred fifty-six".