16204845 has 16 divisors (see below), whose sum is σ = 26087040. Its totient is φ = 8589504.

The previous prime is 16204843. The next prime is 16204873. The reversal of 16204845 is 54840261.

It is not a de Polignac number, because 16204845 - 2¹ = 16204843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 5739.

It is an arithmetic number, because the mean of its divisors is an integer number (1630440).

Almost surely, 2^16204845 is an apocalyptic number.

16204845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16204845 is a deficient number, since it is larger than the sum of its proper divisors (9882195).

16204845 is a wasteful number, since it uses less digits than its factorization.

16204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 16204845 is about 4025.5241894690. The cubic root of 16204845 is about 253.0550219606.

The spelling of 16204845 in words is "sixteen million, two hundred four thousand, eight hundred forty-five".