664002103 has 2 divisors, whose sum is σ = 664002104. Its totient is φ = 664002102.

The previous prime is 664002091. The next prime is 664002127. The reversal of 664002103 is 301200466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664002103 - 2⁵ = 664002071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664002193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332001051 + 332001052.

It is an arithmetic number, because the mean of its divisors is an integer number (332001052).

Almost surely, 2^664002103 is an apocalyptic number.

664002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

664002103 is an equidigital number, since it uses as much as digits as its factorization.

664002103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 664002103 is about 25768.2382595318. The cubic root of 664002103 is about 872.4150553176.

Adding to 664002103 its reverse (301200466), we get a palindrome (965202569).

The spelling of 664002103 in words is "six hundred sixty-four million, two thousand, one hundred three".