665112255 has 8 divisors (see below), whose sum is σ = 1064179632. Its totient is φ = 354726528.

The previous prime is 665112241. The next prime is 665112257. The reversal of 665112255 is 552211566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 665112255 - 2¹² = 665108159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665112257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22170394 + ... + 22170423.

It is an arithmetic number, because the mean of its divisors is an integer number (133022454).

Almost surely, 2^665112255 is an apocalyptic number.

665112255 is a deficient number, since it is larger than the sum of its proper divisors (399067377).

665112255 is a wasteful number, since it uses less digits than its factorization.

665112255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44340825.

The product of its digits is 18000, while the sum is 33.

The square root of 665112255 is about 25789.7703557050. The cubic root of 665112255 is about 872.9009845333.

The spelling of 665112255 in words is "six hundred sixty-five million, one hundred twelve thousand, two hundred fifty-five".