16715664503 has 2 divisors, whose sum is σ = 16715664504. Its totient is φ = 16715664502.

The previous prime is 16715664491. The next prime is 16715664509. The reversal of 16715664503 is 30546651761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16715664503 - 2⁶ = 16715664439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16715664509) 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, 8357832251 + 8357832252.

It is an arithmetic number, because the mean of its divisors is an integer number (8357832252).

Almost surely, 2^16715664503 is an apocalyptic number.

16715664503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16715664503 is an equidigital number, since it uses as much as digits as its factorization.

16715664503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 16715664503 in words is "sixteen billion, seven hundred fifteen million, six hundred sixty-four thousand, five hundred three".