16445675 has 6 divisors (see below), whose sum is σ = 20392668. Its totient is φ = 13156520.

The previous prime is 16445623. The next prime is 16445677. The reversal of 16445675 is 57654461.

It is not a de Polignac number, because 16445675 - 2⁸ = 16445419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16445677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328889 + ... + 328938.

It is an arithmetic number, because the mean of its divisors is an integer number (3398778).

Almost surely, 2^16445675 is an apocalyptic number.

16445675 is a deficient number, since it is larger than the sum of its proper divisors (3946993).

16445675 is an equidigital number, since it uses as much as digits as its factorization.

16445675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657837 (or 657832 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 16445675 is about 4055.3267439258. The cubic root of 16445675 is about 254.3024637881.

The spelling of 16445675 in words is "sixteen million, four hundred forty-five thousand, six hundred seventy-five".