16387853 has 2 divisors, whose sum is σ = 16387854. Its totient is φ = 16387852.

The previous prime is 16387841. The next prime is 16387867. The reversal of 16387853 is 35878361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 8168164 = 2867^2 + 2858^2 .

16387853 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 16387853 - 2²⁰ = 15339277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16387853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16387873) 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, 8193926 + 8193927.

It is an arithmetic number, because the mean of its divisors is an integer number (8193927).

Almost surely, 2^16387853 is an apocalyptic number.

It is an amenable number.

16387853 is a deficient number, since it is larger than the sum of its proper divisors (1).

16387853 is an equidigital number, since it uses as much as digits as its factorization.

16387853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 16387853 is about 4048.1913245300. The cubic root of 16387853 is about 254.0040764427.

The spelling of 16387853 in words is "sixteen million, three hundred eighty-seven thousand, eight hundred fifty-three".