16447699 has 2 divisors, whose sum is σ = 16447700. Its totient is φ = 16447698.

The previous prime is 16447693. The next prime is 16447723. The reversal of 16447699 is 99674461.

It is a weak prime.

It is an emirp because it is prime and its reverse (99674461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16447699 - 2⁵ = 16447667 is a prime.

It is not a weakly prime, because it can be changed into another prime (16447693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8223849 + 8223850.

It is an arithmetic number, because the mean of its divisors is an integer number (8223850).

Almost surely, 2^16447699 is an apocalyptic number.

16447699 is a deficient number, since it is larger than the sum of its proper divisors (1).

16447699 is an equidigital number, since it uses as much as digits as its factorization.

16447699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 16447699 is about 4055.5762845741. The cubic root of 16447699 is about 254.3128958535.

The spelling of 16447699 in words is "sixteen million, four hundred forty-seven thousand, six hundred ninety-nine".