16211045 has 4 divisors (see below), whose sum is σ = 19453260. Its totient is φ = 12968832.

The previous prime is 16211033. The next prime is 16211053. The reversal of 16211045 is 54011261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12623809 + 3587236 = 3553^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 16211045 - 2⁶ = 16210981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621100 + ... + 1621109.

It is an arithmetic number, because the mean of its divisors is an integer number (4863315).

Almost surely, 2^16211045 is an apocalyptic number.

It is an amenable number.

16211045 is a deficient number, since it is larger than the sum of its proper divisors (3242215).

16211045 is an equidigital number, since it uses as much as digits as its factorization.

16211045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242214.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16211045 is about 4026.2942018685. The cubic root of 16211045 is about 253.0872909329.

The spelling of 16211045 in words is "sixteen million, two hundred eleven thousand, forty-five".