6512966678 has 8 divisors (see below), whose sum is σ = 9809987880. Its totient is φ = 3242970720.

The previous prime is 6512966659. The next prime is 6512966701. The reversal of 6512966678 is 8766692156.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755708 + ... + 6756671.

It is an arithmetic number, because the mean of its divisors is an integer number (1226248485).

Almost surely, 2^6512966678 is an apocalyptic number.

6512966678 is a deficient number, since it is larger than the sum of its proper divisors (3297021202).

6512966678 is a wasteful number, since it uses less digits than its factorization.

6512966678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512622.

The product of its digits is 6531840, while the sum is 56.

The square root of 6512966678 is about 80702.9533412502. The cubic root of 6512966678 is about 1867.4957354115.

The spelling of 6512966678 in words is "six billion, five hundred twelve million, nine hundred sixty-six thousand, six hundred seventy-eight".