667655303 has 4 divisors (see below), whose sum is σ = 763034640. Its totient is φ = 572275968.

The previous prime is 667655221. The next prime is 667655323. The reversal of 667655303 is 303556766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667655303 - 2¹⁰ = 667654279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667655323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47689658 + ... + 47689671.

It is an arithmetic number, because the mean of its divisors is an integer number (190758660).

Almost surely, 2^667655303 is an apocalyptic number.

667655303 is a deficient number, since it is larger than the sum of its proper divisors (95379337).

667655303 is an equidigital number, since it uses as much as digits as its factorization.

667655303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95379336.

The product of its (nonzero) digits is 340200, while the sum is 41.

The square root of 667655303 is about 25839.0267425072. The cubic root of 667655303 is about 874.0120781460.

The spelling of 667655303 in words is "six hundred sixty-seven million, six hundred fifty-five thousand, three hundred three".