16494016 has 56 divisors (see below), whose sum is σ = 40818816. Its totient is φ = 6424320.

The previous prime is 16493999. The next prime is 16494017. The reversal of 16494016 is 61049461.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16494017) 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, 3255 + ... + 6601.

Almost surely, 2^16494016 is an apocalyptic number.

16494016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16494016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20409408).

16494016 is an abundant number, since it is smaller than the sum of its proper divisors (24324800).

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

16494016 is a wasteful number, since it uses less digits than its factorization.

16494016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16494016 is about 4061.2825560406. The cubic root of 16494016 is about 254.5513886063.

It can be divided in two parts, 1649 and 4016, that added together give a palindrome (5665).

The spelling of 16494016 in words is "sixteen million, four hundred ninety-four thousand, sixteen".