668854603 has 8 divisors (see below), whose sum is σ = 683565120. Its totient is φ = 654164160.

The previous prime is 668854601. The next prime is 668854619. The reversal of 668854603 is 306458866.

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 668854603 - 2¹ = 668854601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668854601) 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, 76753 + ... + 85021.

It is an arithmetic number, because the mean of its divisors is an integer number (85445640).

Almost surely, 2^668854603 is an apocalyptic number.

668854603 is a deficient number, since it is larger than the sum of its proper divisors (14710517).

668854603 is a wasteful number, since it uses less digits than its factorization.

668854603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 668854603 is about 25862.2234736304. The cubic root of 668854603 is about 874.5350903861.

The spelling of 668854603 in words is "six hundred sixty-eight million, eight hundred fifty-four thousand, six hundred three".