16249105 has 8 divisors (see below), whose sum is σ = 20026152. Its totient is φ = 12647808.

The previous prime is 16249099. The next prime is 16249133. The reversal of 16249105 is 50194261.

It can be written as a sum of positive squares in 4 ways, for example, as 5803281 + 10445824 = 2409^2 + 3232^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16249105 - 2⁷ = 16248977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43732 + ... + 44101.

It is an arithmetic number, because the mean of its divisors is an integer number (2503269).

Almost surely, 2^16249105 is an apocalyptic number.

It is an amenable number.

16249105 is a deficient number, since it is larger than the sum of its proper divisors (3777047).

16249105 is an equidigital number, since it uses as much as digits as its factorization.

16249105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87875.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 16249105 is about 4031.0178615332. The cubic root of 16249105 is about 253.2852007278.

The spelling of 16249105 in words is "sixteen million, two hundred forty-nine thousand, one hundred five".