16206349 has 2 divisors, whose sum is σ = 16206350. Its totient is φ = 16206348.

The previous prime is 16206341. The next prime is 16206367. The reversal of 16206349 is 94360261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15350724 + 855625 = 3918^2 + 925^2 .

It is an emirp because it is prime and its reverse (94360261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16206349 - 2³ = 16206341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16206349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16206341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103174 + 8103175.

It is an arithmetic number, because the mean of its divisors is an integer number (8103175).

Almost surely, 2^16206349 is an apocalyptic number.

It is an amenable number.

16206349 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206349 is an equidigital number, since it uses as much as digits as its factorization.

16206349 is an odious number, because the sum of its binary digits is odd.

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

The square root of 16206349 is about 4025.7109931042. The cubic root of 16206349 is about 253.0628505448.

It can be divided in two parts, 1620 and 6349, that multiplied together give a triangular number (10285380 = T₄₅₃₅).

The spelling of 16206349 in words is "sixteen million, two hundred six thousand, three hundred forty-nine".