16103385 has 24 divisors (see below), whose sum is σ = 28009800. Its totient is φ = 8558592.

The previous prime is 16103303. The next prime is 16103413. The reversal of 16103385 is 58330161.

It can be written as a sum of positive squares in 4 ways, for example, as 2108304 + 13995081 = 1452^2 + 3741^2 .

It is not a de Polignac number, because 16103385 - 2²¹ = 14006233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19807 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (1167075).

Almost surely, 2^16103385 is an apocalyptic number.

16103385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16103385 is a deficient number, since it is larger than the sum of its proper divisors (11906415).

16103385 is a wasteful number, since it uses less digits than its factorization.

16103385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16103385 is about 4012.9023162793. The cubic root of 16103385 is about 252.5257824211.

The spelling of 16103385 in words is "sixteen million, one hundred three thousand, three hundred eighty-five".