16539952 has 40 divisors (see below), whose sum is σ = 37653840. Its totient is φ = 6938880.

The previous prime is 16539871. The next prime is 16539959. The reversal of 16539952 is 25993561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16539959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327 + ... + 5902.

It is an arithmetic number, because the mean of its divisors is an integer number (941346).

Almost surely, 2^16539952 is an apocalyptic number.

It is an amenable number.

16539952 is an abundant number, since it is smaller than the sum of its proper divisors (21113888).

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

16539952 is a wasteful number, since it uses less digits than its factorization.

16539952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261 (or 7255 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 16539952 is about 4066.9339802854. The cubic root of 16539952 is about 254.7874789605.

The spelling of 16539952 in words is "sixteen million, five hundred thirty-nine thousand, nine hundred fifty-two".