16814916 has 18 divisors (see below), whose sum is σ = 42504462. Its totient is φ = 5604960.

The previous prime is 16814891. The next prime is 16814929. The reversal of 16814916 is 61941861.

It is a happy number.

16814916 is a `hidden beast` number, since 168 + 1 + 491 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 4536900 = 3504^2 + 2130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 467081 = 16814916 / (1 + 6 + 8 + 1 + 4 + 9 + 1 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233505 + ... + 233576.

It is an arithmetic number, because the mean of its divisors is an integer number (2361359).

Almost surely, 2^16814916 is an apocalyptic number.

It is an amenable number.

16814916 is an abundant number, since it is smaller than the sum of its proper divisors (25689546).

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

16814916 is a wasteful number, since it uses less digits than its factorization.

16814916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467091 (or 467086 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 16814916 is about 4100.5994683704. The cubic root of 16814916 is about 256.1916086665.

The spelling of 16814916 in words is "sixteen million, eight hundred fourteen thousand, nine hundred sixteen".