16504245 has 24 divisors (see below), whose sum is σ = 29532672. Its totient is φ = 8517600.

The previous prime is 16504223. The next prime is 16504273. The reversal of 16504245 is 54240561.

16504245 is a `hidden beast` number, since 1 + 650 + 4 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 16504245 - 2¹⁸ = 16242101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4521 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (1230528).

Almost surely, 2^16504245 is an apocalyptic number.

16504245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16504245 is a deficient number, since it is larger than the sum of its proper divisors (13028427).

16504245 is a wasteful number, since it uses less digits than its factorization.

16504245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873 (or 11870 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 16504245 is about 4062.5416920938. The cubic root of 16504245 is about 254.6039989606.

The spelling of 16504245 in words is "sixteen million, five hundred four thousand, two hundred forty-five".