16103449 has 2 divisors, whose sum is σ = 16103450. Its totient is φ = 16103448.

The previous prime is 16103441. The next prime is 16103491. The reversal of 16103449 is 94430161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13927824 + 2175625 = 3732^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 16103449 - 2³ = 16103441 is a prime.

It is not a weakly prime, because it can be changed into another prime (16103441) 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, 8051724 + 8051725.

It is an arithmetic number, because the mean of its divisors is an integer number (8051725).

Almost surely, 2^16103449 is an apocalyptic number.

It is an amenable number.

16103449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16103449 is an equidigital number, since it uses as much as digits as its factorization.

16103449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16103449 is about 4012.9102905497. The cubic root of 16103449 is about 252.5261169600.

The spelling of 16103449 in words is "sixteen million, one hundred three thousand, four hundred forty-nine".