662681603 has 2 divisors, whose sum is σ = 662681604. Its totient is φ = 662681602.

The previous prime is 662681597. The next prime is 662681609. The reversal of 662681603 is 306186266.

It is a balanced prime because it is at equal distance from previous prime (662681597) and next prime (662681609).

It is a cyclic number.

It is not a de Polignac number, because 662681603 - 2²⁸ = 394246147 is a prime.

It is not a weakly prime, because it can be changed into another prime (662681609) 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, 331340801 + 331340802.

It is an arithmetic number, because the mean of its divisors is an integer number (331340802).

Almost surely, 2^662681603 is an apocalyptic number.

662681603 is a deficient number, since it is larger than the sum of its proper divisors (1).

662681603 is an equidigital number, since it uses as much as digits as its factorization.

662681603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 662681603 is about 25742.6028792739. The cubic root of 662681603 is about 871.8363480131.

The spelling of 662681603 in words is "six hundred sixty-two million, six hundred eighty-one thousand, six hundred three".