513162520436 has 24 divisors (see below), whose sum is σ = 943919403840. Its totient is φ = 243634119872.

The previous prime is 513162520411. The next prime is 513162520439. The reversal of 513162520436 is 634025261315.

It is a self number, because there is not a number n which added to its sum of digits gives 513162520436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513162520439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20344526 + ... + 20369733.

It is an arithmetic number, because the mean of its divisors is an integer number (39329975160).

Almost surely, 2^513162520436 is an apocalyptic number.

It is an amenable number.

513162520436 is a deficient number, since it is larger than the sum of its proper divisors (430756883404).

513162520436 is a wasteful number, since it uses less digits than its factorization.

513162520436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40714423 (or 40714421 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

It can be divided in two parts, 51316 and 2520436, that added together give a palindrome (2571752).

The spelling of 513162520436 in words is "five hundred thirteen billion, one hundred sixty-two million, five hundred twenty thousand, four hundred thirty-six".