16001716 has 12 divisors (see below), whose sum is σ = 28074340. Its totient is φ = 7980480.

The previous prime is 16001701. The next prime is 16001729. The reversal of 16001716 is 61710061.

16001716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 4752400 = 3354^2 + 2180^2 .

16001716 is a modest number, since divided by 1716 gives 16 as remainder.

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, 3255 + ... + 6526.

Almost surely, 2^16001716 is an apocalyptic number.

It is an amenable number.

16001716 is a deficient number, since it is larger than the sum of its proper divisors (12072624).

16001716 is a wasteful number, since it uses less digits than its factorization.

16001716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 16001716 is about 4000.2144942490. The cubic root of 16001716 is about 251.9932180924.

Adding to 16001716 its reverse (61710061), we get a palindrome (77711777).

The spelling of 16001716 in words is "sixteen million, one thousand, seven hundred sixteen".