513332165404 has 12 divisors (see below), whose sum is σ = 898341882984. Its totient is φ = 256663055984.

The previous prime is 513332165389. The next prime is 513332165407. The reversal of 513332165404 is 404561233315.

It is a super-2 number, since 2×513332165404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513332165407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350902 + ... + 1072285.

It is an arithmetic number, because the mean of its divisors is an integer number (74861823582).

Almost surely, 2^513332165404 is an apocalyptic number.

It is an amenable number.

513332165404 is a deficient number, since it is larger than the sum of its proper divisors (385009717580).

513332165404 is a wasteful number, since it uses less digits than its factorization.

513332165404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513364 (or 1513362 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 513332165404 its reverse (404561233315), we get a palindrome (917893398719).

The spelling of 513332165404 in words is "five hundred thirteen billion, three hundred thirty-two million, one hundred sixty-five thousand, four hundred four".