16776016 has 20 divisors (see below), whose sum is σ = 33917472. Its totient is φ = 8023136.

The previous prime is 16775989. The next prime is 16776047. The reversal of 16776016 is 61067761.

It is a happy number.

It is a nialpdrome in base 8 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22426 + ... + 23161.

Almost surely, 2^16776016 is an apocalyptic number.

16776016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16776016 is an abundant number, since it is smaller than the sum of its proper divisors (17141456).

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

16776016 is a wasteful number, since it uses less digits than its factorization.

16776016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45618 (or 45612 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16776016 is about 4095.8535130056. The cubic root of 16776016 is about 255.9938963389.

The spelling of 16776016 in words is "sixteen million, seven hundred seventy-six thousand, sixteen".