255663344016 has 60 divisors (see below), whose sum is σ = 716759978220. Its totient is φ = 85071313920.

The previous prime is 255663344011. The next prime is 255663344023. The reversal of 255663344016 is 610443366552.

255663344016 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 633 + 4 + 4 + 0 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35458396416 + 220204947600 = 188304^2 + 469260^2 .

It is a super-3 number, since 3×255663344016³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (255663344011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478205 + ... + 1642076.

It is an arithmetic number, because the mean of its divisors is an integer number (11945999637).

Almost surely, 2^255663344016 is an apocalyptic number.

It is an amenable number.

255663344016 is an abundant number, since it is smaller than the sum of its proper divisors (461096634204).

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

255663344016 is a wasteful number, since it uses less digits than its factorization.

255663344016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120864 (or 3120855 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 255663344016 in words is "two hundred fifty-five billion, six hundred sixty-three million, three hundred forty-four thousand, sixteen".