16538496 has 64 divisors (see below), whose sum is σ = 47323920. Its totient is φ = 5087232.

The previous prime is 16538479. The next prime is 16538507. The reversal of 16538496 is 69483561.

16538496 = T₄₄₃ + T₄₄₄ + ... + T₅₇₀.

16538496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336 + ... + 6648.

Almost surely, 2^16538496 is an apocalyptic number.

16538496 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 16538496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23661960).

16538496 is an abundant number, since it is smaller than the sum of its proper divisors (30785424).

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

16538496 is a wasteful number, since it uses less digits than its factorization.

16538496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3331 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 16538496 is about 4066.7549717189. The cubic root of 16538496 is about 254.7800024887.

The spelling of 16538496 in words is "sixteen million, five hundred thirty-eight thousand, four hundred ninety-six".