205312888526968 has 32 divisors (see below), whose sum is σ = 398239346728800. Its totient is φ = 99115785231232.

The previous prime is 205312888526953. The next prime is 205312888526969. The reversal of 205312888526968 is 869625888213502.

It is a self number, because there is not a number n which added to its sum of digits gives 205312888526968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205312888526969) 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, 26548821 + ... + 33398587.

It is an arithmetic number, because the mean of its divisors is an integer number (12444979585275).

Almost surely, 2^{205312888526968} is an apocalyptic number.

It is an amenable number.

205312888526968 is a deficient number, since it is larger than the sum of its proper divisors (192926458201832).

205312888526968 is a wasteful number, since it uses less digits than its factorization.

205312888526968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978999 (or 6978995 counting only the distinct ones).

The product of its (nonzero) digits is 796262400, while the sum is 73.

The spelling of 205312888526968 in words is "two hundred five trillion, three hundred twelve billion, eight hundred eighty-eight million, five hundred twenty-six thousand, nine hundred sixty-eight".