660003316 has 12 divisors (see below), whose sum is σ = 1320006688. Its totient is φ = 282858552.

The previous prime is 660003313. The next prime is 660003317. The reversal of 660003316 is 613300066.

660003316 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660003313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11785746 + ... + 11785801.

Almost surely, 2^660003316 is an apocalyptic number.

It is an amenable number.

660003316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

660003316 is a wasteful number, since it uses less digits than its factorization.

660003316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23571558 (or 23571556 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 660003316 is about 25690.5296948117. The cubic root of 660003316 is about 870.6602272485.

The spelling of 660003316 in words is "six hundred sixty million, three thousand, three hundred sixteen".