16516916 has 24 divisors (see below), whose sum is σ = 31309824. Its totient is φ = 7578720.

The previous prime is 16516889. The next prime is 16516919. The reversal of 16516916 is 61961561.

16516916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9101 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (1304576).

Almost surely, 2^16516916 is an apocalyptic number.

It is an amenable number.

16516916 is a deficient number, since it is larger than the sum of its proper divisors (14792908).

16516916 is a wasteful number, since it uses less digits than its factorization.

16516916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 16516916 is about 4064.1008845746. The cubic root of 16516916 is about 254.6691390103.

The spelling of 16516916 in words is "sixteen million, five hundred sixteen thousand, nine hundred sixteen".