16538252 has 24 divisors (see below), whose sum is σ = 30613632. Its totient is φ = 7804800.

The previous prime is 16538251. The next prime is 16538261. The reversal of 16538252 is 25283561.

It is not an unprimeable number, because it can be changed into a prime (16538251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (1275568).

Almost surely, 2^16538252 is an apocalyptic number.

It is an amenable number.

16538252 is a deficient number, since it is larger than the sum of its proper divisors (14075380).

16538252 is a wasteful number, since it uses less digits than its factorization.

16538252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3327 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 16538252 is about 4066.7249722596. The cubic root of 16538252 is about 254.7787495206.

The spelling of 16538252 in words is "sixteen million, five hundred thirty-eight thousand, two hundred fifty-two".