16573045 has 8 divisors (see below), whose sum is σ = 21057624. Its totient is φ = 12478464.

The previous prime is 16573013. The next prime is 16573049. The reversal of 16573045 is 54037561.

It can be written as a sum of positive squares in 4 ways, for example, as 5958481 + 10614564 = 2441^2 + 3258^2 .

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 16573045 - 2⁵ = 16573013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16572998 and 16573016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16573049) 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, 97404 + ... + 97573.

It is an arithmetic number, because the mean of its divisors is an integer number (2632203).

Almost surely, 2^16573045 is an apocalyptic number.

It is an amenable number.

16573045 is a deficient number, since it is larger than the sum of its proper divisors (4484579).

16573045 is a wasteful number, since it uses less digits than its factorization.

16573045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194999.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 16573045 is about 4071.0004912798. Note that the first 3 decimals coincide. The cubic root of 16573045 is about 254.9572913223.

The spelling of 16573045 in words is "sixteen million, five hundred seventy-three thousand, forty-five".