16449085 has 4 divisors (see below), whose sum is σ = 19738908. Its totient is φ = 13159264.

The previous prime is 16449073. The next prime is 16449109. The reversal of 16449085 is 58094461.

It is a happy number.

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 7431076 + 9018009 = 2726^2 + 3003^2 .

It is a cyclic number.

It is not a de Polignac number, because 16449085 - 2²¹ = 14351933 is a prime.

It is a Duffinian number.

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, 1644904 + ... + 1644913.

It is an arithmetic number, because the mean of its divisors is an integer number (4934727).

Almost surely, 2^16449085 is an apocalyptic number.

It is an amenable number.

16449085 is a deficient number, since it is larger than the sum of its proper divisors (3289823).

16449085 is an equidigital number, since it uses as much as digits as its factorization.

16449085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289822.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 16449085 is about 4055.7471568134. The cubic root of 16449085 is about 254.3200390568.

The spelling of 16449085 in words is "sixteen million, four hundred forty-nine thousand, eighty-five".