16387105 has 16 divisors (see below), whose sum is σ = 22748544. Its totient is φ = 11099520.

The previous prime is 16387103. The next prime is 16387121. The reversal of 16387105 is 50178361.

It is not a de Polignac number, because 16387105 - 2¹ = 16387103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16387103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85 + ... + 5725.

It is an arithmetic number, because the mean of its divisors is an integer number (1421784).

Almost surely, 2^16387105 is an apocalyptic number.

It is an amenable number.

16387105 is a deficient number, since it is larger than the sum of its proper divisors (6361439).

16387105 is an equidigital number, since it uses as much as digits as its factorization.

16387105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 16387105 is about 4048.0989365380. The cubic root of 16387105 is about 254.0002118336. Note that the first 3 decimals are identical.

The spelling of 16387105 in words is "sixteen million, three hundred eighty-seven thousand, one hundred five".