513795664 has 20 divisors (see below), whose sum is σ = 1010339104. Its totient is φ = 253063008.

The previous prime is 513795661. The next prime is 513795673. The reversal of 513795664 is 466597315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513795661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 238572 + ... + 240715.

Almost surely, 2^513795664 is an apocalyptic number.

It is an amenable number.

513795664 is a deficient number, since it is larger than the sum of its proper divisors (496543440).

513795664 is a wasteful number, since it uses less digits than its factorization.

513795664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479362 (or 479356 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 513795664 is about 22667.0612122525. The cubic root of 513795664 is about 800.9341504458.

The spelling of 513795664 in words is "five hundred thirteen million, seven hundred ninety-five thousand, six hundred sixty-four".