512653768068 has 96 divisors (see below), whose sum is σ = 1365834718080. Its totient is φ = 148259358720.

The previous prime is 512653768009. The next prime is 512653768069. The reversal of 512653768068 is 860867356215.

It is a junction number, because it is equal to n+sod(n) for n = 512653767999 and 512653768017.

It is not an unprimeable number, because it can be changed into a prime (512653768069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1829038 + ... + 2090618.

It is an arithmetic number, because the mean of its divisors is an integer number (14227444980).

Almost surely, 2^512653768068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512653768068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682917359040).

512653768068 is an abundant number, since it is smaller than the sum of its proper divisors (853180950012).

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

512653768068 is a wasteful number, since it uses less digits than its factorization.

512653768068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262357 (or 262355 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 512653768068 in words is "five hundred twelve billion, six hundred fifty-three million, seven hundred sixty-eight thousand, sixty-eight".