16147393 has 2 divisors, whose sum is σ = 16147394. Its totient is φ = 16147392.

The previous prime is 16147349. The next prime is 16147409. The reversal of 16147393 is 39374161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8485569 + 7661824 = 2913^2 + 2768^2 .

It is an emirp because it is prime and its reverse (39374161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16147393 - 2¹⁷ = 16016321 is a prime.

It is not a weakly prime, because it can be changed into another prime (16147193) 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, 8073696 + 8073697.

It is an arithmetic number, because the mean of its divisors is an integer number (8073697).

Almost surely, 2^16147393 is an apocalyptic number.

It is an amenable number.

16147393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16147393 is an equidigital number, since it uses as much as digits as its factorization.

16147393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 16147393 is about 4018.3818882729. The cubic root of 16147393 is about 252.7556108387.

The spelling of 16147393 in words is "sixteen million, one hundred forty-seven thousand, three hundred ninety-three".