668265110 has 16 divisors (see below), whose sum is σ = 1212350976. Its totient is φ = 265200768.

The previous prime is 668265079. The next prime is 668265119. The reversal of 668265110 is 11562866.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668265119) 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 7 ways as a sum of consecutive naturals, for example, 261827 + ... + 264366.

It is an arithmetic number, because the mean of its divisors is an integer number (75771936).

Almost surely, 2^668265110 is an apocalyptic number.

668265110 is a deficient number, since it is larger than the sum of its proper divisors (544085866).

668265110 is a wasteful number, since it uses less digits than its factorization.

668265110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526327.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 668265110 is about 25850.8241648115. The cubic root of 668265110 is about 874.2780919093.

The spelling of 668265110 in words is "six hundred sixty-eight million, two hundred sixty-five thousand, one hundred ten".