668064303 has 24 divisors (see below), whose sum is σ = 984956336. Its totient is φ = 436233600.

The previous prime is 668064259. The next prime is 668064307. The reversal of 668064303 is 303460866.

668064303 is a `hidden beast` number, since 6 + 6 + 8 + 0 + 643 + 0 + 3 = 666.

It is not a de Polignac number, because 668064303 - 2¹² = 668060207 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668064307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106083 + ... + 112203.

Almost surely, 2^668064303 is an apocalyptic number.

668064303 is a deficient number, since it is larger than the sum of its proper divisors (316892033).

668064303 is a wasteful number, since it uses less digits than its factorization.

668064303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375 (or 6372 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 668064303 is about 25846.9399155877. The cubic root of 668064303 is about 874.1905125210.

The spelling of 668064303 in words is "six hundred sixty-eight million, sixty-four thousand, three hundred three".