16538484 has 24 divisors (see below), whose sum is σ = 40860288. Its totient is φ = 5188480.

The previous prime is 16538479. The next prime is 16538507. The reversal of 16538484 is 48483561.

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, 40332 + ... + 40739.

It is an arithmetic number, because the mean of its divisors is an integer number (1702512).

Almost surely, 2^16538484 is an apocalyptic number.

It is an amenable number.

16538484 is an abundant number, since it is smaller than the sum of its proper divisors (24321804).

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

16538484 is a wasteful number, since it uses less digits than its factorization.

16538484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81095 (or 81093 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 16538484 is about 4066.7534963408. The cubic root of 16538484 is about 254.7799408676.

The spelling of 16538484 in words is "sixteen million, five hundred thirty-eight thousand, four hundred eighty-four".