16532133 has 4 divisors (see below), whose sum is σ = 22042848. Its totient is φ = 11021420.

The previous prime is 16532119. The next prime is 16532141. The reversal of 16532133 is 33123561.

It is a happy number.

16532133 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16532133 - 2⁹ = 16531621 is a prime.

It is a super-2 number, since 2×16532133² = 546622843059378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16532533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755353 + ... + 2755358.

It is an arithmetic number, because the mean of its divisors is an integer number (5510712).

Almost surely, 2^16532133 is an apocalyptic number.

It is an amenable number.

16532133 is a deficient number, since it is larger than the sum of its proper divisors (5510715).

16532133 is an equidigital number, since it uses as much as digits as its factorization.

16532133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510714.

The product of its digits is 1620, while the sum is 24.

The square root of 16532133 is about 4065.9725773792. The cubic root of 16532133 is about 254.7473237190.

Adding to 16532133 its reverse (33123561), we get a palindrome (49655694).

The spelling of 16532133 in words is "sixteen million, five hundred thirty-two thousand, one hundred thirty-three".