513163535556 has 48 divisors (see below), whose sum is σ = 1368517318784. Its totient is φ = 146609450496.

The previous prime is 513163535531. The next prime is 513163535557. The reversal of 513163535556 is 655535361315.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (513163535557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315446 + ... + 1660338.

Almost surely, 2^513163535556 is an apocalyptic number.

It is an amenable number.

513163535556 is an abundant number, since it is smaller than the sum of its proper divisors (855353783228).

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

513163535556 is a wasteful number, since it uses less digits than its factorization.

513163535556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362620 (or 362618 counting only the distinct ones).

The product of its digits is 3037500, while the sum is 48.

The spelling of 513163535556 in words is "five hundred thirteen billion, one hundred sixty-three million, five hundred thirty-five thousand, five hundred fifty-six".