255117016 has 64 divisors (see below), whose sum is σ = 600929280. Its totient is φ = 98638080.

The previous prime is 255117013. The next prime is 255117029. The reversal of 255117016 is 610711552.

255117016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255117013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82881 + ... + 85903.

It is an arithmetic number, because the mean of its divisors is an integer number (9389520).

Almost surely, 2^255117016 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 255117016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300464640).

255117016 is an abundant number, since it is smaller than the sum of its proper divisors (345812264).

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

255117016 is a wasteful number, since it uses less digits than its factorization.

255117016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 255117016 is about 15972.3829155202. The cubic root of 255117016 is about 634.2295539495.

Adding to 255117016 its reverse (610711552), we get a palindrome (865828568).

The spelling of 255117016 in words is "two hundred fifty-five million, one hundred seventeen thousand, sixteen".