16466845 has 8 divisors (see below), whose sum is σ = 19791576. Its totient is φ = 13152576.

The previous prime is 16466843. The next prime is 16466899. The reversal of 16466845 is 54866461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11710084 + 4756761 = 3422^2 + 2181^2 .

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 16466845 - 2¹ = 16466843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16466798 and 16466807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16466843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (2473947).

Almost surely, 2^16466845 is an apocalyptic number.

It is an amenable number.

16466845 is a deficient number, since it is larger than the sum of its proper divisors (3324731).

16466845 is an equidigital number, since it uses as much as digits as its factorization.

16466845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231.

The product of its digits is 138240, while the sum is 40.

The square root of 16466845 is about 4057.9360517386. The cubic root of 16466845 is about 254.4115355201.

The spelling of 16466845 in words is "sixteen million, four hundred sixty-six thousand, eight hundred forty-five".