516564135 has 20 divisors (see below), whose sum is σ = 925989768. Its totient is φ = 275500656.

The previous prime is 516564131. The next prime is 516564143. The reversal of 516564135 is 531465615.

516564135 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 641 + 3 + 5 = 666.

It is not a de Polignac number, because 516564135 - 2² = 516564131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516564135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516564131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 637329 + ... + 638138.

Almost surely, 2^516564135 is an apocalyptic number.

516564135 is a deficient number, since it is larger than the sum of its proper divisors (409425633).

516564135 is a wasteful number, since it uses less digits than its factorization.

516564135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275484 (or 1275475 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 516564135 is about 22728.0473204365. The cubic root of 516564135 is about 802.3701248466.

The spelling of 516564135 in words is "five hundred sixteen million, five hundred sixty-four thousand, one hundred thirty-five".