660228303 has 36 divisors (see below), whose sum is σ = 1087877832. Its totient is φ = 355057920.

The previous prime is 660228301. The next prime is 660228307. The reversal of 660228303 is 303822066.

It is not a de Polignac number, because 660228303 - 2¹ = 660228301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660228301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34713 + ... + 50253.

Almost surely, 2^660228303 is an apocalyptic number.

660228303 is a deficient number, since it is larger than the sum of its proper divisors (427649529).

660228303 is a wasteful number, since it uses less digits than its factorization.

660228303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592 (or 15568 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 660228303 is about 25694.9081142549. The cubic root of 660228303 is about 870.7591484577.

The spelling of 660228303 in words is "six hundred sixty million, two hundred twenty-eight thousand, three hundred three".