512126666551664 has 20 divisors (see below), whose sum is σ = 992246562610104. Its totient is φ = 256063037491008.

The previous prime is 512126666551649. The next prime is 512126666551693. The reversal of 512126666551664 is 466155666621215.

It is a junction number, because it is equal to n+sod(n) for n = 512126666551597 and 512126666551606.

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, 3851267 + ... + 32234850.

Almost surely, 2^{512126666551664} is an apocalyptic number.

It is an amenable number.

512126666551664 is a deficient number, since it is larger than the sum of its proper divisors (480119896058440).

512126666551664 is a wasteful number, since it uses less digits than its factorization.

512126666551664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36973112 (or 36973106 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 62.

The spelling of 512126666551664 in words is "five hundred twelve trillion, one hundred twenty-six billion, six hundred sixty-six million, five hundred fifty-one thousand, six hundred sixty-four".