68305332255352 has 16 divisors (see below), whose sum is σ = 128088634232160. Its totient is φ = 34148363126784.

The previous prime is 68305332255319. The next prime is 68305332255373. The reversal of 68305332255352 is 25355223350386.

It is a self number, because there is not a number n which added to its sum of digits gives 68305332255352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537807648 + ... + 537934639.

It is an arithmetic number, because the mean of its divisors is an integer number (8005539639510).

Almost surely, 2^{68305332255352} is an apocalyptic number.

It is an amenable number.

68305332255352 is a deficient number, since it is larger than the sum of its proper divisors (59783301976808).

68305332255352 is a wasteful number, since it uses less digits than its factorization.

68305332255352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075750230 (or 1075750226 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 68305332255352 in words is "sixty-eight trillion, three hundred five billion, three hundred thirty-two million, two hundred fifty-five thousand, three hundred fifty-two".