16994916 has 36 divisors (see below), whose sum is σ = 43095052. Its totient is φ = 5647104.

The previous prime is 16994909. The next prime is 16994941. The reversal of 16994916 is 61949961.

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 1313316 = 3960^2 + 1146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 15936 + ... + 16968.

Almost surely, 2^16994916 is an apocalyptic number.

It is an amenable number.

16994916 is an abundant number, since it is smaller than the sum of its proper divisors (26100136).

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

16994916 is a wasteful number, since it uses less digits than its factorization.

16994916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1495 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 16994916 is about 4122.4890539576. The cubic root of 16994916 is about 257.1025243620.

The spelling of 16994916 in words is "sixteen million, nine hundred ninety-four thousand, nine hundred sixteen".