662016503 has 2 divisors, whose sum is σ = 662016504. Its totient is φ = 662016502.

The previous prime is 662016497. The next prime is 662016527. The reversal of 662016503 is 305610266.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662016503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662013503) 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, 331008251 + 331008252.

It is an arithmetic number, because the mean of its divisors is an integer number (331008252).

Almost surely, 2^662016503 is an apocalyptic number.

662016503 is a deficient number, since it is larger than the sum of its proper divisors (1).

662016503 is an equidigital number, since it uses as much as digits as its factorization.

662016503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 662016503 is about 25729.6813621934. The cubic root of 662016503 is about 871.5445777008.

Adding to 662016503 its reverse (305610266), we get a palindrome (967626769).

The spelling of 662016503 in words is "six hundred sixty-two million, sixteen thousand, five hundred three".