16340629 has 2 divisors, whose sum is σ = 16340630. Its totient is φ = 16340628.

The previous prime is 16340617. The next prime is 16340647. The reversal of 16340629 is 92604361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 6260004 = 3175^2 + 2502^2 .

It is an emirp because it is prime and its reverse (92604361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16340629 - 2⁷ = 16340501 is a prime.

It is a super-2 number, since 2×16340629² = 534032312231282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16340629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16340609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170314 + 8170315.

It is an arithmetic number, because the mean of its divisors is an integer number (8170315).

Almost surely, 2^16340629 is an apocalyptic number.

It is an amenable number.

16340629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16340629 is an equidigital number, since it uses as much as digits as its factorization.

16340629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16340629 is about 4042.3543882248. The cubic root of 16340629 is about 253.7598583857.

The spelling of 16340629 in words is "sixteen million, three hundred forty thousand, six hundred twenty-nine".