16522004 has 24 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 7731680.

The previous prime is 16522003. The next prime is 16522007. The reversal of 16522004 is 40022561.

It is a happy number.

16522004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16522003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^16522004 is an apocalyptic number.

It is an amenable number.

16522004 is a deficient number, since it is larger than the sum of its proper divisors (14298604).

16522004 is a wasteful number, since it uses less digits than its factorization.

16522004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 16522004 is about 4064.7268050879. The cubic root of 16522004 is about 254.6952864168.

Adding to 16522004 its reverse (40022561), we get a palindrome (56544565).

The spelling of 16522004 in words is "sixteen million, five hundred twenty-two thousand, four".