16705499 has 2 divisors, whose sum is σ = 16705500. Its totient is φ = 16705498.

The previous prime is 16705489. The next prime is 16705517. The reversal of 16705499 is 99450761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16705499 - 2⁴ = 16705483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16705439) 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, 8352749 + 8352750.

It is an arithmetic number, because the mean of its divisors is an integer number (8352750).

Almost surely, 2^16705499 is an apocalyptic number.

16705499 is a deficient number, since it is larger than the sum of its proper divisors (1).

16705499 is an equidigital number, since it uses as much as digits as its factorization.

16705499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16705499 is about 4087.2361076894. The cubic root of 16705499 is about 255.6347074782.

The spelling of 16705499 in words is "sixteen million, seven hundred five thousand, four hundred ninety-nine".