16994516 has 48 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 6330720.

The previous prime is 16994513. The next prime is 16994519. The reversal of 16994516 is 61549961.

It is an interprime number because it is at equal distance from previous prime (16994513) and next prime (16994519).

It is a Smith number, since the sum of its digits (41) 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 (16994513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^16994516 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 16994516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19353600).

16994516 is an abundant number, since it is smaller than the sum of its proper divisors (21712684).

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

16994516 is a wasteful number, since it uses less digits than its factorization.

16994516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2442 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 16994516 is about 4122.4405392922. The cubic root of 16994516 is about 257.1005072525.

It can be divided in two parts, 169945 and 16, that added together give a palindrome (169961).

The spelling of 16994516 in words is "sixteen million, nine hundred ninety-four thousand, five hundred sixteen".