668355107 has 8 divisors (see below), whose sum is σ = 764042496. Its totient is φ = 572719752.

The previous prime is 668355097. The next prime is 668355113. The reversal of 668355107 is 701553866.

668355107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 668355107 - 2⁶ = 668355043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (668355197) 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, 20168 + ... + 41754.

It is an arithmetic number, because the mean of its divisors is an integer number (95505312).

Almost surely, 2^668355107 is an apocalyptic number.

668355107 is a deficient number, since it is larger than the sum of its proper divisors (95687389).

668355107 is a wasteful number, since it uses less digits than its factorization.

668355107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 668355107 is about 25852.5648050633. The cubic root of 668355107 is about 874.3173372489.

The spelling of 668355107 in words is "six hundred sixty-eight million, three hundred fifty-five thousand, one hundred seven".