512683386216 has 64 divisors (see below), whose sum is σ = 1357355724480. Its totient is φ = 160811904000.

The previous prime is 512683386211. The next prime is 512683386217. The reversal of 512683386216 is 612683386215.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (512683386211) 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 15 ways as a sum of consecutive naturals, for example, 2130195 + ... + 2358621.

It is an arithmetic number, because the mean of its divisors is an integer number (21208683195).

Almost surely, 2^512683386216 is an apocalyptic number.

It is an amenable number.

512683386216 is an abundant number, since it is smaller than the sum of its proper divisors (844672338264).

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

512683386216 is a wasteful number, since it uses less digits than its factorization.

512683386216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233954 (or 233950 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

Subtracting 512683386216 from its reverse (612683386215), we obtain a palindrome (99999999999).

The spelling of 512683386216 in words is "five hundred twelve billion, six hundred eighty-three million, three hundred eighty-six thousand, two hundred sixteen".