16504849 has 8 divisors (see below), whose sum is σ = 17313408. Its totient is φ = 15715440.

The previous prime is 16504771. The next prime is 16504853. The reversal of 16504849 is 94840561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16504849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16504049) 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 7 ways as a sum of consecutive naturals, for example, 3007 + ... + 6484.

It is an arithmetic number, because the mean of its divisors is an integer number (2164176).

Almost surely, 2^16504849 is an apocalyptic number.

It is an amenable number.

16504849 is a deficient number, since it is larger than the sum of its proper divisors (808559).

16504849 is an equidigital number, since it uses as much as digits as its factorization.

16504849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 16504849 is about 4062.6160291123. The cubic root of 16504849 is about 254.6071048067.

The spelling of 16504849 in words is "sixteen million, five hundred four thousand, eight hundred forty-nine".