513126066 has 16 divisors (see below), whose sum is σ = 1041570144. Its totient is φ = 168489024.

The previous prime is 513126059. The next prime is 513126091. The reversal of 513126066 is 660621315.

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, 637815 + ... + 638618.

It is an arithmetic number, because the mean of its divisors is an integer number (65098134).

Almost surely, 2^513126066 is an apocalyptic number.

513126066 is an abundant number, since it is smaller than the sum of its proper divisors (528444078).

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

513126066 is a wasteful number, since it uses less digits than its factorization.

513126066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276505.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 513126066 is about 22652.2861097947. The cubic root of 513126066 is about 800.5860632658.

The spelling of 513126066 in words is "five hundred thirteen million, one hundred twenty-six thousand, sixty-six".