668150003 has 2 divisors, whose sum is σ = 668150004. Its totient is φ = 668150002.

The previous prime is 668149969. The next prime is 668150027. The reversal of 668150003 is 300051866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 668150003 - 2⁶ = 668149939 is a prime.

It is not a weakly prime, because it can be changed into another prime (668155003) 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 as a sum of consecutive naturals, namely, 334075001 + 334075002.

It is an arithmetic number, because the mean of its divisors is an integer number (334075002).

Almost surely, 2^668150003 is an apocalyptic number.

668150003 is a deficient number, since it is larger than the sum of its proper divisors (1).

668150003 is an equidigital number, since it uses as much as digits as its factorization.

668150003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 668150003 is about 25848.5976989082. The cubic root of 668150003 is about 874.2278916193.

The spelling of 668150003 in words is "six hundred sixty-eight million, one hundred fifty thousand, three".