16616704 has 36 divisors (see below), whose sum is σ = 35727076. Its totient is φ = 7667712.

The previous prime is 16616693. The next prime is 16616711. The reversal of 16616704 is 40761661.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 12616704 = 2000^2 + 3552^2 .

It is a super-2 number, since 2×16616704² = 552229703647232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832 + ... + 5824.

Almost surely, 2^16616704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16616704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17863538).

16616704 is an abundant number, since it is smaller than the sum of its proper divisors (19110372).

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

16616704 is an equidigital number, since it uses as much as digits as its factorization.

16616704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16616704 is about 4076.3591598386. The cubic root of 16616704 is about 255.1809762322.

The spelling of 16616704 in words is "sixteen million, six hundred sixteen thousand, seven hundred four".