16340651 has 2 divisors, whose sum is σ = 16340652. Its totient is φ = 16340650.

The previous prime is 16340647. The next prime is 16340657. The reversal of 16340651 is 15604361.

It is a weak prime.

It is an emirp because it is prime and its reverse (15604361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16340651 - 2² = 16340647 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16340651.

It is not a weakly prime, because it can be changed into another prime (16340657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170325 + 8170326.

It is an arithmetic number, because the mean of its divisors is an integer number (8170326).

Almost surely, 2^16340651 is an apocalyptic number.

16340651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16340651 is an equidigital number, since it uses as much as digits as its factorization.

16340651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16340651 is about 4042.3571094103. The cubic root of 16340651 is about 253.7599722678.

The spelling of 16340651 in words is "sixteen million, three hundred forty thousand, six hundred fifty-one".