16904075 has 12 divisors (see below), whose sum is σ = 21015768. Its totient is φ = 13488000.

The previous prime is 16904059. The next prime is 16904077. The reversal of 16904075 is 57040961.

It is a happy number.

It is not a de Polignac number, because 16904075 - 2⁴ = 16904059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16904077) 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 11 ways as a sum of consecutive naturals, for example, 13475 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (1751314).

Almost surely, 2^16904075 is an apocalyptic number.

16904075 is a deficient number, since it is larger than the sum of its proper divisors (4111693).

16904075 is a wasteful number, since it uses less digits than its factorization.

16904075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 16904075 is about 4111.4565545558. The cubic root of 16904075 is about 256.6436187396.

The spelling of 16904075 in words is "sixteen million, nine hundred four thousand, seventy-five".