16416816 has 40 divisors (see below), whose sum is σ = 45674160. Its totient is φ = 5051136.

The previous prime is 16416797. The next prime is 16416857. The reversal of 16416816 is 61861461.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12531 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (1141854).

Almost surely, 2^16416816 is an apocalyptic number.

16416816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16416816 is an abundant number, since it is smaller than the sum of its proper divisors (29257344).

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

16416816 is a wasteful number, since it uses less digits than its factorization.

16416816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26333 (or 26327 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 16416816 is about 4051.7670219301. The cubic root of 16416816 is about 254.1536260382.

The spelling of 16416816 in words is "sixteen million, four hundred sixteen thousand, eight hundred sixteen".