16045904 has 40 divisors (see below), whose sum is σ = 37080960. Its totient is φ = 6576768.

The previous prime is 16045891. The next prime is 16045919. The reversal of 16045904 is 40954061.

It is a congruent number.

It is an unprimeable number.

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, 539 + ... + 5690.

It is an arithmetic number, because the mean of its divisors is an integer number (927024).

Almost surely, 2^16045904 is an apocalyptic number.

16045904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16045904 is an abundant number, since it is smaller than the sum of its proper divisors (21035056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16045904 is a wasteful number, since it uses less digits than its factorization.

16045904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6261 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16045904 is about 4005.7338903127. The cubic root of 16045904 is about 252.2249607870.

Adding to 16045904 its reverse (40954061), we get a palindrome (56999965).

It can be divided in two parts, 160 and 45904, that added together give a palindrome (46064).

The spelling of 16045904 in words is "sixteen million, forty-five thousand, nine hundred four".