16697699 has 2 divisors, whose sum is σ = 16697700. Its totient is φ = 16697698.

The previous prime is 16697687. The next prime is 16697711. The reversal of 16697699 is 99679661.

It is a balanced prime because it is at equal distance from previous prime (16697687) and next prime (16697711).

It is an emirp because it is prime and its reverse (99679661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16697699 - 2⁴ = 16697683 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16697699.

It is not a weakly prime, because it can be changed into another prime (16697669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348849 + 8348850.

It is an arithmetic number, because the mean of its divisors is an integer number (8348850).

Almost surely, 2^16697699 is an apocalyptic number.

16697699 is a deficient number, since it is larger than the sum of its proper divisors (1).

16697699 is an equidigital number, since it uses as much as digits as its factorization.

16697699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 53.

The square root of 16697699 is about 4086.2818062390. The cubic root of 16697699 is about 255.5949149697.

The spelling of 16697699 in words is "sixteen million, six hundred ninety-seven thousand, six hundred ninety-nine".