513163424052 has 36 divisors (see below), whose sum is σ = 1297583310660. Its totient is φ = 170999062272.

The previous prime is 513163424023. The next prime is 513163424069. The reversal of 513163424052 is 250424361315.

513163424052 is a `hidden beast` number, since 5 + 13 + 1 + 634 + 2 + 4 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 264734946576 + 248428477476 = 514524^2 + 498426^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 513163423998 and 513163424016.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2196103 + ... + 2418510.

Almost surely, 2^513163424052 is an apocalyptic number.

It is an amenable number.

513163424052 is an abundant number, since it is smaller than the sum of its proper divisors (784419886608).

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

513163424052 is a wasteful number, since it uses less digits than its factorization.

513163424052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617712 (or 4617707 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 513163424052 its reverse (250424361315), we get a palindrome (763587785367).

The spelling of 513163424052 in words is "five hundred thirteen billion, one hundred sixty-three million, four hundred twenty-four thousand, fifty-two".