16446245 has 8 divisors (see below), whose sum is σ = 19850616. Its totient is φ = 13080256.

The previous prime is 16446239. The next prime is 16446251. The reversal of 16446245 is 54264461.

It is an interprime number because it is at equal distance from previous prime (16446239) and next prime (16446251).

It can be written as a sum of positive squares in 4 ways, for example, as 494209 + 15952036 = 703^2 + 3994^2 .

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 16446245 - 2⁶ = 16446181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 8642 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (2481327).

Almost surely, 2^16446245 is an apocalyptic number.

It is an amenable number.

16446245 is a deficient number, since it is larger than the sum of its proper divisors (3404371).

16446245 is a wasteful number, since it uses less digits than its factorization.

16446245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19191.

The product of its digits is 23040, while the sum is 32.

The square root of 16446245 is about 4055.3970212545. The cubic root of 16446245 is about 254.3054017587.

The spelling of 16446245 in words is "sixteen million, four hundred forty-six thousand, two hundred forty-five".