16207393 has 2 divisors, whose sum is σ = 16207394. Its totient is φ = 16207392.

The previous prime is 16207391. The next prime is 16207421. The reversal of 16207393 is 39370261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 3196944 = 3607^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 16207393 - 2¹ = 16207391 is a prime.

Together with 16207391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16207391) 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, 8103696 + 8103697.

It is an arithmetic number, because the mean of its divisors is an integer number (8103697).

Almost surely, 2^16207393 is an apocalyptic number.

It is an amenable number.

16207393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16207393 is an equidigital number, since it uses as much as digits as its factorization.

16207393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16207393 is about 4025.8406575522. The cubic root of 16207393 is about 253.0682844633.

The spelling of 16207393 in words is "sixteen million, two hundred seven thousand, three hundred ninety-three".