16485556 has 12 divisors (see below), whose sum is σ = 28880992. Its totient is φ = 8233848.

The previous prime is 16485541. The next prime is 16485577. The reversal of 16485556 is 65558461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 6793.

Almost surely, 2^16485556 is an apocalyptic number.

It is an amenable number.

16485556 is a deficient number, since it is larger than the sum of its proper divisors (12395436).

16485556 is a wasteful number, since it uses less digits than its factorization.

16485556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4468 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 16485556 is about 4060.2408795538. The cubic root of 16485556 is about 254.5078602333.

The spelling of 16485556 in words is "sixteen million, four hundred eighty-five thousand, five hundred fifty-six".