1668482303 has 2 divisors, whose sum is σ = 1668482304. Its totient is φ = 1668482302.

The previous prime is 1668482273. The next prime is 1668482369. The reversal of 1668482303 is 3032848661.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1668482303 - 2⁸ = 1668482047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1668482393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834241151 + 834241152.

It is an arithmetic number, because the mean of its divisors is an integer number (834241152).

Almost surely, 2^1668482303 is an apocalyptic number.

1668482303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1668482303 is an equidigital number, since it uses as much as digits as its factorization.

1668482303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 1668482303 is about 40847.0599064364. The cubic root of 1668482303 is about 1186.0614802334.

The spelling of 1668482303 in words is "one billion, six hundred sixty-eight million, four hundred eighty-two thousand, three hundred three".