16670503 has 2 divisors, whose sum is σ = 16670504. Its totient is φ = 16670502.

The previous prime is 16670483. The next prime is 16670519. The reversal of 16670503 is 30507661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16670503 - 2¹³ = 16662311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16670593) 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, 8335251 + 8335252.

It is an arithmetic number, because the mean of its divisors is an integer number (8335252).

Almost surely, 2^16670503 is an apocalyptic number.

16670503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16670503 is an equidigital number, since it uses as much as digits as its factorization.

16670503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 16670503 is about 4082.9527305615. The cubic root of 16670503 is about 255.4560747504.

The spelling of 16670503 in words is "sixteen million, six hundred seventy thousand, five hundred three".