16785045 has 24 divisors (see below), whose sum is σ = 29203200. Its totient is φ = 8918496.

The previous prime is 16785029. The next prime is 16785059. The reversal of 16785045 is 54058761.

It is not a de Polignac number, because 16785045 - 2⁴ = 16785029 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 15636 + ... + 16674.

It is an arithmetic number, because the mean of its divisors is an integer number (1216800).

Almost surely, 2^16785045 is an apocalyptic number.

16785045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16785045 is a deficient number, since it is larger than the sum of its proper divisors (12418155).

16785045 is a wasteful number, since it uses less digits than its factorization.

16785045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 16785045 is about 4096.9555770108. The cubic root of 16785045 is about 256.0398141608.

The spelling of 16785045 in words is "sixteen million, seven hundred eighty-five thousand, forty-five".