6512406512 has 40 divisors (see below), whose sum is σ = 13371617376. Its totient is φ = 3061999616.

The previous prime is 6512406493. The next prime is 6512406533. The reversal of 6512406512 is 2156042156.

It is a super-2 number, since 2×6512406512² = 84822877155080012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322868 + ... + 342444.

Almost surely, 2^6512406512 is an apocalyptic number.

It is an amenable number.

6512406512 is an abundant number, since it is smaller than the sum of its proper divisors (6859210864).

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

6512406512 is a wasteful number, since it uses less digits than its factorization.

6512406512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20825 (or 20819 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 6512406512 is about 80699.4827244884. The cubic root of 6512406512 is about 1867.4421941371.

Adding to 6512406512 its reverse (2156042156), we get a palindrome (8668448668).

The spelling of 6512406512 in words is "six billion, five hundred twelve million, four hundred six thousand, five hundred twelve".