16544045 has 8 divisors (see below), whose sum is σ = 22689024. Its totient is φ = 11344464.

The previous prime is 16544039. The next prime is 16544071. The reversal of 16544045 is 54044561.

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 16544045 - 2⁶ = 16543981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16543999 and 16544017.

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, 236309 + ... + 236378.

It is an arithmetic number, because the mean of its divisors is an integer number (2836128).

Almost surely, 2^16544045 is an apocalyptic number.

It is an amenable number.

16544045 is a deficient number, since it is larger than the sum of its proper divisors (6144979).

16544045 is an equidigital number, since it uses as much as digits as its factorization.

16544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472699.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 16544045 is about 4067.4371537862. The cubic root of 16544045 is about 254.8084939176.

The spelling of 16544045 in words is "sixteen million, five hundred forty-four thousand, forty-five".